New Delhi, July 12 -- The AIIMS medical board that conducted a court-ordered second postmortem in the Twisha Sharma death case has submitted its final forensic opinion to the Central Bureau of Investigation (CBI) in a sealed cover, resolving a key forensic dispute over the ligature material allegedly used for hanging, including a gymnastics belt with a metal ring.

The key forensic dispute was whether the gymnastics belt with a metal ring, allegedly used for hanging, was the actual ligature and whether it matched the injuries on Twisha Sharma's neck.

The first postmortem could not establish this because the alleged ligature material was not produced before the medical board during the autopsy, prompting the Madhya Pradesh High Court to o...