Livor mortis = fixed after 6-8 hrs. Rigor starts 1-2 hrs, peak at 12 hrs.

Abrasion = epidermis. Contusion = intact skin. Laceration = blunt trauma tear.

OP = pinpoint pupils, Atropine. Lead = basophilic stippling, wrist drop.

IPC 304A = negligence. 320 = Grievous hurt. Bolam test = standard of care.

POCSO Act = under 18 years. True consent = age 18. S.375 IPC defines rape.

Gustafson method = dental age. Galton system = fingerprints. Skull suture fusion.

Hanging = ligature above thyroid. Strangulation = at or below. Dry drowning = laryngospasm.