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GROUP A - LAQ (15 Marks Each) - MODEL ANSWERS

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Q.1 (SMCH) - 16-year-old girl, alleged forceful sexual intercourse by unknown man

(i) Prerequisites for Examination (3 marks)

1. Written requisition from police with the FIR number, date, and time of alleged offence
2. Proper consent - documented in writing (see below)
3. Presence of a female nurse/chaperone throughout the examination - mandatory
4. Examination by a female doctor preferably; if unavailable, a male doctor may examine in the presence of a female attendant
5. Preservation of privacy and dignity - examination in a private room
6. Availability of a SAFE Kit (Sexual Assault Forensic Evidence Kit) or equivalent evidence collection materials
7. Documentation readiness - MLC register, pre-formatted proforma, camera for photographic evidence
8. Chain of custody established before sample collection
9. The examination should be done at the earliest possible time to prevent loss of evidence

(ii) Consent Before Examination (2 marks)

• As the victim is 16 years old (a minor under 18), consent must be obtained from her legal guardian/parent in writing.
• Simultaneously, her own assent (willingness) should also be taken, as she is old enough to understand the procedure.
• Under the POCSO Act, 2012 (Protection of Children from Sexual Offences), the age of consent for sexual activity is 18 years; therefore the guardian's consent is legally required.
• If she is brought by police without a guardian, the police officer-in-charge/magistrate may give consent for examination.
• Consent must be free, informed, and voluntary, explaining the nature, purpose, and procedure of examination.
• Refusal to undergo examination cannot be held against the victim (Supreme Court ruling).

(iii) Possible Genital and Extra-Genital Findings to Prove Forcible Sexual Intercourse (6 marks)

• Contusions, abrasions, lacerations on face, neck, shoulders, wrists, upper arms, thighs - from forcible restraint
• Nail scratch marks on neck, face, breasts, thighs
• Bite marks on breasts, neck, shoulders
• Fingertip bruises (ovoid) on inner thighs from forcible separation of legs
• Petechiae on conjunctiva/face if there was smothering or pressure on neck
• Defense injuries - on palms, forearms (if she tried to fight back)
• Torn, displaced, or disheveled clothing

• Hymenal tears - fresh lacerations with everted, bleeding edges; most commonly at 5 and 7 o'clock positions posteriorly; extending to the base of hymen
• Hymenal bruising without complete tear
• Redness, congestion, and swelling of the vulva, labia, vaginal walls
• Abrasions and lacerations of the fourchette, posterior commissure, perineum
• Vaginal tears extending into perineum (especially in young girls)
• Perianal injuries if anal intercourse occurred
• Seminal fluid in vagina/vulva - motile spermatozoa on high vaginal swab

(iv) Samples and Materials to be Collected (4 marks)

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Q.2 (MCK) - 24-year-old woman found dead, ligature mark, nail scratch abrasions, genital bleeding, rave party

Cause of Death (2 marks)

• Continuous ligature mark low down the neck = ligature strangulation
• Nail scratch abrasions above the ligature = victim's own nails attempting to remove the ligature
• Multiple scratch abrasions around the mouth = smothering/gagging attempted
• Evidence of genital bleeding = sexual assault (rape)

Expected Findings on Dissection: Inner Aspect of Lips and Neck (4 marks)

• Lacerations, contusions of mucous membrane of inner lips (from pressure against teeth - if smothered)
• Petechial hemorrhages on inner surfaces of lips and buccal mucosa
• Abrasions on inner surface of cheeks

• Subcutaneous hemorrhage along the track of the ligature
• Bruising and hemorrhage into neck muscles (sternomastoid, infrahyoid muscles)
• Petechiae on visceral pleura, epicardium, conjunctiva, brain surface (Tardieu spots - classic in asphyxial deaths)
• Laryngeal/tracheal mucosal congestion and petechiae
• Fracture of hyoid bone (less common in ligature strangulation, more in manual strangulation)
• Fracture of superior cornu of thyroid cartilage (possible)
• Engorgement and congestion of neck veins above the ligature
• Edema and congestion of face above the ligature level
• Lungs: congested, voluminous, with petechiae (Tardieu spots)
• Brain: congested

Expected Genital Findings (3 marks)

• Lacerations of posterior fourchette and hymen with hemorrhage
• Bruising and swelling of labia majora and minora
• Lacerations/abrasions of vaginal walls, especially lower third
• Seminal fluid in vagina, perineum, pubic area
• Perianal abrasions if anal intercourse also occurred
• Hemorrhage in vaginal walls on dissection

Evidence to be Preserved at Autopsy (4 marks)

1. High vaginal swab and anal swab for semen/DNA
2. Pubic hair combings and fingernail clippings/scrapings
3. Blood (EDTA + fluoride for alcohol/drugs; serum for grouping)
4. Urine (for drug screening - especially GHB, benzodiazepines, ketamine, MDMA)
5. Ligature if present (or photograph + dimensions of mark)
6. Vitreous humor (for alcohol/drug estimation if blood is hemolyzed)
7. Stomach contents (sealed, for toxicology)
8. Skin swabs from bite marks (for saliva DNA)
9. Clothing (sealed in separate paper bags)
10. Photographs of all injuries before dissection

Commonly Abused Drugs at Rave Parties (2 marks)

• MDMA (Ecstasy/Molly) - most common
• GHB (gamma-hydroxybutyrate) - "liquid ecstasy"
• Ketamine ("Special K")
• Rohypnol (flunitrazepam) - "roofies," classic date rape drug
• LSD (lysergic acid diethylamide)
• Alcohol (the most common base)
• Cocaine, methamphetamine

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Q.3 (RPHGMCH) - 13-year-old girl, penetrative sexual assault 2 days ago, accused was neighbor

(a) From Whom to Take Consent (1 mark)

(b) Which Law Will This Case Be Registered Under (1 mark)

• POCSO Act, 2012 (Protection of Children from Sexual Offences Act) - Section 3 (Penetrative Sexual Assault) since the victim is below 18 years.
• Specifically Section 4 POCSO (punishment for penetrative sexual assault) - minimum 10 years rigorous imprisonment, may extend to life.
• Also under Section 64, BNS (formerly Section 376 IPC) - Punishment for rape.
• Since she is 13 years (under 16), it would attract enhanced punishment.

(c) Age of Nail Scratch Abrasions (3 marks)

(d) SAFE Kit (3 marks)

1. Instructions for the examiner
2. Evidence collection bags (paper - for clothing)
3. Swabs (vaginal, anal, oral - individually labeled)
4. Glass slides for smear preparation
5. Blood collection tubes (EDTA, plain, fluoride-oxalate)
6. Urine collection container
7. Comb for pubic hair collection
8. Envelopes for hair samples
9. Nail clipping/scraping tools
10. Labels and sealing tape
11. Chain of custody forms
12. Body diagram forms for injury documentation
13. Bags for swabs drying

(e) Medical Examination Procedure and Samples (2+5 = combined)

1. Obtain written consent from guardian
2. History taking - date, time, place of assault; nature of assault; any post-assault activities (washing, urination, defecation); last consensual intercourse; menstrual history; medical history
3. General physical examination:
   • Build, nutrition, mental state
   • Signs of intoxication/injury
   • Note all injuries with site, size, shape, color, tenderness
   • Bite marks, bruises, scratches (especially thoracic - examine abrasions as per above)
4. Height, weight, secondary sexual characteristics (for age assessment if required)
5. Genital examination (in lithotomy position, with chaperone):
   • External genitalia - labia, fourchette, perineum
   • Hymen - type, any tears, position of tears, bleeding, edema
   • Vaginal examination (bimanual if needed)
   • Perianal region
6. Colposcopy if available (magnified documentation of injuries)
7. Anal examination if indicated
8. Oral examination if oral assault alleged

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Q.4 (JMNMCH) - 30-year-old woman, abrasions on neck, evidence of sexual assault

(i) Possible Cause of Death (2 marks)

• Manual strangulation (throttling) - most likely, given bilateral and frontal neck abrasions (from assailant's fingers)
• Traumatic asphyxia
• Combined smothering and strangulation
• Shock from sexual assault injuries and blood loss

(ii) How to Confirm Nature and Manner of Death During Autopsy (4 marks)

• Document all neck abrasions - fingertip crescentic abrasions/bruises consistent with manual strangulation
• Petechiae on conjunctivae, face, skin above neck
• Cyanosis of face/lips
• Evidence of sexual assault on genitalia

• Subcutaneous hemorrhage in neck tissues
• Hemorrhage into sternomastoid and other neck muscles
• Fracture of hyoid bone (more common in manual strangulation - inward compression type)
• Fracture of thyroid cartilage
• Petechiae on laryngeal mucosa

• Lungs: congested, Tardieu spots (petechiae on visceral pleura)
• Heart: right side overdistended with dark fluid blood; Tardieu spots on epicardium
• Brain: congested with petechiae

• Lacerations, bruising, hemorrhage in vaginal walls
• Vaginal swabs for semen

• Nature, distribution and direction of neck abrasions (bilateral - from another person's hands)
• Associated sexual assault
• Scene evidence

(iii) Extra Precautions at Autopsy (4 marks)

1. Chain of custody must be maintained from receipt to sample dispatch
2. Photograph all injuries before touching/cleaning the body
3. Paper bags over hands before transport to preserve trace evidence under fingernails
4. Use clean instruments for each sample to prevent cross-contamination
5. Examine clothing separately before undressing the body
6. All swabs taken before washing the body
7. Ensure a second doctor (witness) is present throughout
8. Prepare detailed MLC documentation with body diagram
9. Preserve vaginal swabs, blood, urine, gastric contents in labeled sealed containers
10. Do not use embalming fluid until all samples are taken
11. Bite mark swabs for salivary DNA before cleaning
12. Maintain temperature control of preserved biological samples (refrigerate immediately)

(iv) Materials to Preserve and How (3 marks)

(v) Biological Evidence Detectable to Identify the Accused (2 marks)

1. Semen/Spermatozoa - DNA profiling (STR typing)
2. Y-STR analysis - to identify number and identity of semen donors
3. Blood stains - DNA profiling from accused's blood
4. Saliva from bite marks - DNA
5. Pubic/body hair with root - DNA + morphological comparison
6. Fingernail scrapings from victim - accused's skin cells/DNA
7. Skin cells/epithelial DNA from clothing fibers

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Q.5 (JHARGRAM) - 16-year-old girl, sexually assaulted at 9 PM by teacher (32 years), complaint at 7 AM

(i) Act Under Which the Case Will Be Booked (1 mark)

• POCSO Act, 2012 - Section 3 (Penetrative Sexual Assault) - victim is under 18
• Section 64, BNS (formerly S. 376 IPC) - Rape
• Additionally, Section 68, BNS (formerly S. 376C IPC) - Sexual intercourse by a person in position of authority/fiduciary relationship (teacher-student relationship is a fiduciary relationship)
• Punishment under POCSO for victim under 16: minimum 20 years RI to life imprisonment

(ii) Consent for Examination (2 marks)

• The victim is 16 years (minor under 18) - consent from parent/legal guardian is mandatory in writing.
• Her mother (who lodged the complaint) can give consent.
• The victim's own assent should also be documented.
• If no guardian available, a magistrate can authorize examination.
• The examining doctor must explain the purpose, nature, and procedure before obtaining consent.
• Consent to examine does NOT equal consent to have had intercourse.

(iii) Prerequisites for Examination (4 marks)

1. Written police requisition with FIR number
2. Female doctor / male doctor with female chaperone
3. Private examination room
4. SAFE kit or equivalent
5. Proper documentation forms/MLC register
6. Confidentiality maintained
7. Examination at earliest opportunity (10 hours have elapsed - sperms may still be present in vagina for up to 72-96 hours)
8. No prior bathing/washing ideal; if washed, still examine

(iv) Possible Genital and Extra-Genital Findings (4 marks)

• Fresh/recent hymenal tears at 5 and 7 o'clock position
• Redness, swelling of labia and fourchette
• Abrasions/lacerations of posterior commissure
• Seminal fluid in vagina on swab

• Bruising/abrasions on inner thighs (fingertip pressure)
• Abrasions/scratch marks on neck, face, arms
• Bite marks on breasts/shoulders
• Defense injuries on palms, forearms
• Bruising on wrists (if restrained)

(v) Medicolegal Evidences to be Preserved (3 marks)

• Time gap is ~10 hours, so vaginal swabs should still yield spermatozoa
• Blood and urine for toxicology (alleged intoxication Q.8 - here if applicable)
• Clothing worn at time of assault

(vi) Who Can Examine the Victim Girl (1 mark)

• Any registered medical practitioner can conduct the examination
• Preferably a female doctor
• If female doctor unavailable, a male doctor may examine in the presence of a female attendant/nurse
• Under Section 164A CrPC (now Section 184 BNSS) - examination to be done by registered medical practitioner in a government hospital
• Under POCSO Act - a female doctor is preferred for child victims

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Q.6 (GDIMSH) - 24-year-old woman, cut throat, meat chopper, sexual assault

(i) Confirmatory Tests for Blood Stains + Principle of Absorption-Elution (4+1 = 5 marks)

• Benzidine test (Adler's test) - blue-green color with H₂O₂; not specific
• Leucomalachite green test - green color
• Phenolphthalein test (Kastle-Meyer) - pink/red color
• Luminol test - chemiluminescence (for trace/washed-out stains)
• Orthotoluidine test
• Hemastix (Combur test)

1. Precipitin Test (Uhlenhuth Test) - Most important. Anti-human serum is added to the stain extract. A white precipitin ring at the junction of two fluids confirms human origin. Principle: antigen-antibody reaction.
2. Teichmann's (Hemin crystal) test - Dried blood on slide heated with glacial acetic acid and NaCl - brown rhomboid hemin crystals form. Confirms blood even in old/burnt stains.
3. Takayama's (Haemochromogen crystal) test - Blood treated with pyridine + NaOH + glucose - salmon-pink crystals of haemochromogen confirm blood.
4. Spectroscopic examination - Detection of oxyhemoglobin, methemoglobin, carboxyhemoglobin bands.
5. DNA analysis - Definitive identification.

(ii) Stains to Detect Spermatozoa (3 marks)

(iii) Lust Murder (1 mark)

1. Periodic outbreaks (recurring compulsion)
2. Cutting/stabbing of breasts, genitalia, lower abdomen; sucking/licking of wounds; biting
3. Sexual intercourse with the dying or injured victim
4. Normal behavior between outbreaks Not every murder during a sexual act is a lust murder - anger, jealousy, or revenge may also cause it.

(iv) Differences Between Homicidal and Suicidal Cut Throat Wounds (4 marks)

(v) Probable Immediate Causes of Death (2 marks)

1. Hemorrhage - severance of carotid arteries (external/internal/common) or jugular veins causing massive blood loss
2. Air embolism - partial severance of jugular veins allows air entry; fatal
3. Asphyxia - blood aspiration into the trachea/bronchi causing drowning in blood
4. Vagal inhibition - stimulation of carotid sinus causing reflex cardiac arrest

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Q.7 (CNMCH) - 16-year-old girl found in jungle, rape followed by murder; accused apprehended

1. Evidence/Exhibits to Collect

1. Clothing and footwear found at scene (each in separate paper bags)
2. Any weapon found (bagged, labeled)
3. Blood stains on soil, vegetation, stones - collect soil/swabs
4. Seminal stains on ground/vegetation - swab and soil samples
5. Footprints/tyre marks - cast or photograph
6. Hair and fibers found at scene
7. Cigarette butts, condoms, drug paraphernalia
8. Any personal belongings of victim or assailant
9. Photographs of entire scene before disturbing
10. Sketch/map of crime scene

1. High vaginal swabs (x2) - for semen/DNA
2. Anal swabs - if anal assault evident
3. Blood from femoral vein (EDTA) - victim DNA; toxicology
4. Urine/vitreous humor - toxicology
5. Pubic hair with roots (10 strands) + combings
6. Nail clippings/scrapings - assailant skin/DNA
7. Skin swabs from bite marks
8. Photographs of all injuries before dissection
9. Clothing (if not already collected)
10. Stomach contents - sealed

2. Specimens from the Accused Person (3 marks)

1. Blood sample (EDTA, 10 mL) - DNA profiling; blood grouping; comparison with stains
2. Buccal swab / oral swab - DNA reference standard
3. Pubic hair (10 strands, with roots) - morphological comparison + DNA
4. Head hair - same
5. Nail clippings/scrapings - victim's skin/tissue
6. Penile swabs - victim's vaginal cells/DNA
7. Clothing (especially undergarments) - victim's blood/vaginal cells/hair
8. Blood grouping - comparison with scene/victim stains
9. Potency examination - ability to perform intercourse

3. Role of Forensic Medical Expert (5 marks)

1. Examination of the deceased - determination of cause and manner of death; documentation of all injuries; description of genital injuries consistent with sexual assault
2. Sample collection and chain of custody - proper collection, labeling, sealing of all biological samples; ensuring admissibility in court
3. Age estimation - of the deceased (dental, radiological methods) if unknown
4. Time since death estimation - PM changes, rigor, lividity, entomology
5. Scene liaison - advising police on what to collect, preservation techniques
6. Evidence interpretation - interpreting lab reports (DNA, serology, toxicology)
7. Expert witness - giving deposition in court; explaining medical findings in layman's terms to judge/jury
8. Rape confirmation - opining whether injuries are consistent with forcible sexual intercourse
9. Cause of death certification on post mortem report
10. Coordination with forensic science laboratory (FSL) for sample analysis

4. Important Sections Under BNS Related to Rape, Gang Rape, and Sexual Assault (2 marks)

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Q.8 (CMSDH) - 17-year-old girl, alleged forceful intercourse by boyfriend 12 hours ago, intoxicated

(a) Prerequisites for Examination (3 marks)

(b) Who Can Give Consent (1 mark)

(c) Possible Genital and Extra-Genital Findings (6 marks)

1. Signs of intoxication - slurred speech, drowsiness, incoordination (if still present)
2. Nail scratch abrasions on neck, face, arms (her own or from assailant)
3. Bite marks on breasts, neck, shoulders
4. Fingertip bruises on inner thighs (from forced leg separation)
5. Bruising/abrasions on wrists/arms (if restrained)
6. Hair pulling - patchy alopecia
7. Petechiae on face if smothered
8. Defense injuries on palms/forearms (if she was only partially incapacitated)
9. Disheveled clothing with stains

1. Hymenal tears - fresh, at 5 and 7 o'clock, extending to base (if previously intact)
2. Redness, edema of labia majora and minora
3. Abrasions/lacerations of posterior fourchette
4. Abrasions of vaginal walls
5. Seminal stains on vulva/pubic hair/inner thighs
6. Motile spermatozoa on vaginal swab at 12 hours (still likely present)

(d) Rape Trauma Syndrome (5 marks)

• Immediate aftermath; lasts days to weeks
• Expressed style: Crying, screaming, agitation, anger, fear, anxiety
• Controlled style: Calm, composed, "frozen affect" - may appear unaffected (often misinterpreted)
• Physical symptoms: soreness, pain in injured areas, sleep disturbances, nausea
• Emotional reactions: fear (of death/reinjury), guilt, shame, humiliation, helplessness, self-blame

• Victim attempts to reorganize her life
• Nightmares and sleep disturbances (dreaming of the assault)
• Phobias - fear of men, fear of crowds, fear of being alone, sexual problems
• Flashbacks of the assault
• Depression, social withdrawal
• Changed living arrangements (moves away from scene)
• Seeking support from friends/family

• Chronic PTSD
• Substance abuse
• Suicidal ideation
• Sexual dysfunction
• Relationship difficulties

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Q.9 (BSMCH) - 16-year-old deaf, dumb, mentally retarded girl, unconscious, suspected sexual assault

(i) Procedure of Examination (5 marks)

1. Consent: From her parent/guardian (mandatory as she is a minor with disability and unconscious). Police must be informed.
2. History from accompanying person (police, whoever found her)
3. Assessment of consciousness level (GCS) - rule out head injury, poisoning, shock
4. General physical examination:
   • Vital signs, level of consciousness
   • Signs of struggle/trauma - abrasions, lacerations, bruising
   • Disheveled/torn clothing - document and preserve
   • Signs of sexual assault
5. Communication adaptation: If she regains consciousness, use sign language interpreter, picture cards, simple gestures for communication
6. Genital examination (as in standard protocol) - document all findings
7. Neurological examination - to assess baseline mental status and mental retardation severity
8. Swab collection from vagina, anus, oral cavity
9. Sample collection - blood, urine, nail scrapings, hair
10. Psychological/psychiatric assessment later for mental retardation documentation (for court purposes)
11. Detailed documentation - particularly important as victim cannot give verbal testimony

(ii) Greek Love (1 mark)

(iii) Paederasty (1 mark)

(iv) Different Types of Hymen with Diagram (5 marks)

1. Semilunar (Crescentic): Most common type. The hymenal opening is placed anteriorly; hymenal tissue is present at the lateral and posterior margins of the vaginal opening.
2. Annular: Hymenal opening is oval/round situated in the center, encircling the vaginal opening.
3. Infantile: Small linear opening in the midline.
4. Cribriform (Sieve-like): Several small hymenal openings.
5. Vertical: A vertical hymenal slit.
6. Septate: Two lateral openings side by side separated by a septum.
7. Imperforate: No hymenal opening; causes cryptomenorrhea at menarche.
8. Fimbriated (Notched/Frilly-edged): Free margin has natural notches - must be differentiated from rupture.
9. Parous introitus (Carunculae myrtiformes): Remnants of hymen after childbirth - irregular tags/nodules.

(v) Differences Between Superfecundation and Superfoetation (3 marks)

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Q.10 (TGMCH) - 14-year-old girl, penetrative sexual assault, per-vaginal bleeding, model medical report

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MODEL MEDICO-LEGAL EXAMINATION REPORT

(Sexual Assault Survivor)

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• Name: ____________ Age: 14 years Sex: Female
• Date/Time of alleged assault: ____________ (approximately ____________ hours before presentation)
• Place of assault: Complainant's residence
• Alleged assailant: Neighbor (known person)
• Nature of alleged assault: Forcible penetrative vaginal intercourse
• Patient's account: Victim alleges she was forcibly held down; she tried to resist; assailant covered her mouth
• Post-assault activities: Mother states the victim bathed once after the assault
• Per vaginal bleeding: Yes, noticed since the alleged assault
• Menstrual history: Last menstrual period ____________; cycle regular
• Past medical/surgical history: No significant history
• Prior sexual history: None (as per mother)
• Contraception/STD prophylaxis given previously: None

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• General condition: Conscious, oriented, cooperative, moderately distressed, tearful
• Built & nutrition: Average
• Height: ____________ cm; Weight: ____________ kg
• Vital signs: BP ____________ mmHg; Pulse ____________/min; Temperature ____________°C
• Puberty assessment: Tanner Stage ____________ (breast development, pubic hair)
• Mental state: Anxious, withdrawn, appropriate affect
• Signs of intoxication: None

1. Multiple reddish-brown, ovoid abrasions (nail scratch marks), approximately 0.5 x 0.3 cm each, arranged in clusters on the right side of the neck, at level ____________
2. A reddish-blue contusion (fingertip bruise), approximately 2 x 1.5 cm, on the right inner thigh, ____________ cm above knee
3. Linear abrasion, approximately 1.5 x 0.2 cm, on the right forearm (possible defense injury)
4. No bite marks, no ligature marks, no fractures detected clinically

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• Labia majora: Swollen, congested, tender on palpation
• Labia minora: Reddened, small abrasion at the left posterior margin
• Clitoris: Normal
• Fourchette (posterior commissure): Fresh laceration approximately 1.5 cm in length, with everted edges and active oozing of blood
• Perineum: Intact

• Type: Annular
• Fresh hymenal laceration at 5 o'clock and 7 o'clock positions extending to the base of attachment; edges everted, congested, bleeding; consistent with recent penetrative trauma
• Old hymenal tears: None (this appears to be the first such injury)

• Redness of vaginal walls in lower third
• Small abrasion on posterior vaginal wall
• Per vaginal bleeding: Yes, active

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1. The patient is a 14-year-old female in the pubertal age group.
2. Fresh hymenal lacerations at 5 and 7 o'clock positions extending to the base, with bleeding and edema, are consistent with recent forceful penetrative sexual intercourse within the last ____________ hours.
3. Extra-genital injuries (scratch abrasions on neck, bruise on inner thigh, forearm abrasion) are consistent with a history of struggle and forcible restraint.
4. Per-vaginal bleeding is attributable to the hymenal and posterior commissure lacerations.
5. The injuries are not self-inflicted and are consistent with the alleged history of forcible sexual assault.
6. Definitive confirmation of sexual assault and identification of the assailant will depend on laboratory analysis of the preserved samples (DNA, semen detection).
7. The case has been registered under POCSO Act Section 3/4 and Section 64 BNS.

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