India, July 12 -- A gymnastics belt that was allegedly not produced during actress-model Twisha Sharma's first post-mortem examination has emerged as a crucial piece of evidence in the Central Bureau of Investigation's (CBI) probe into her death, media reports said.

In a major development, an expert medical board from AIIMS New Delhi has submitted an 11-page forensic report to the CBI in a sealed cover.

Dr Sudhir Gupta, Head of the Department of Forensic Medicine at AIIMS Delhi, confirmed that the report had been submitted, though its contents remain confidential under court directions, according to an NDTV report.

Skin tissue found on gymnastics belt

According to NDTV's sources familiar with the findings, laboratory and histopatholog...