New Delhi, June 12 -- The National Investigation Agency (NIA) has filed a supplementary chargesheet against Rafeek M S, the 64th accused in the murder case of Sreenivasan in Palakkad, Kerala, by members of the Popular Front of India (PFI).

The chargesheet, submitted before the NIA Special Court in Ernakulam, invokes various sections of the Indian Penal Code (IPC) and the Unlawful Activities (Prevention) Act (UA(P) Act).

Rashtriya Swayamsevak Sangh (RSS) worker Sreenivasan was hacked to death on April 16, 2022, a day after PFI leader Subair was hacked to death in front of his father in Kerala's Palakkad district.

Subair, a popular front worker, had been hacked to death in Elupplly, Palakkad district, on April 15, and as a retaliation, S...