Himanshu Roy

During 2013 Indian Premier League spot-fixing and betting case, Roy was responsible for the arrest of Vindu Dara Singh who allegedly had links to bookies in spot fixing.
Roy was involved in the investigations of criminal gangs, such as D-Company and Chhota Rajan's gang. Roy was also part of the investigations into the murder of journalist J Dey (Jyotirmoy Dey) by Chhota Rajan. While investigating the attack on mobster Dawood Ibrahim's brother's driver, Roy commented to reporters about the ATS, "We are keeping a tab on the changing scenario in the underworld."
Roy was also part of the investigations into the serial murders committed by police informer Vijay Palande (alias Karan Sood, Simrin Sud or Simrin Sood); the family murders involving actress Laila Khan; and the murder of lawyer Pallavi Purkhayasta. Hours after Roy's death, the murder case of Meenakshi Thapa that he supervised, resulted in convictions. He was also involved in the Khairlanji Massacre case and post-Babri Masjid demolition riot situation in Malegaon. Provided by Wikipedia