India, Feb. 25 -- Three men, including two brothers, were arrested for allegedly kidnapping and murdering a 51-year-old man who was allegedly "blackmailing them" to conceal their illegal business practices, police said Monday.

The accused told police, after killing the victim, stuffed his body in a plastic bag and dumped it in a lake in outer Delhi last week.

According to police, the primary suspects are brothers Nitin Yadav, Amit Yadav, both in their 40s, and Krishan Kumar, 20. The brothers operated a godown in Samaypur Badli that was involved with selling duplicate electrical equipment such as switches and sockets.

The victim was identified by police as Putul Kumar Gohain, who worked as a field investigator for a private Mumbai-based...