Guwahati, Oct. 20 -- Delhi Police has filed a 500-page chargesheet against seven accused in the murder of 54-year-old Manipuri musician and teacher Chongtham Vikram Singh, who was beaten to death after objecting to noise outside his home in southeast Delhi's Kilokari village on September 7.

The chargesheet, filed before a Saket court, lists 30 witnesses and invokes provisions relating to murder, criminal conspiracy and house-trespass. Seven adults and a juvenile were arrested in connection with the case.

Singh had lived in Kilokari for more than two decades. He was attacked by a group of delivery workers and dhaba staff after he objected to them shouting and drinking outside his apartment.

According to the investigation, eight men foll...