India, April 16 -- The Borivali Government Railway Police (GRP) on Wednesday has filed a 247-page chargesheet against a 27-year-old labourer accused of fatally stabbing a professor inside a crowded local train at Malad station on January 24.

Police said the chargesheet against Omkar Shinde includes statements from 63 witnesses, with four passengers claiming to have seen him stab NM College professor Alok Singh, 33, during an argument.

Investigators said two key eyewitnesses have recorded their statements before a Borivali magistrate. One of them, Sudhirkumar Suryakumar Trivedi, 41, was Singh's colleague and was travelling with him at the time of the incident.

Police said Singh had boarded the 5.10pm train from Andheri and was standing ...