"His suicide note has revealed that he took this extreme step as he was troubled due to this ailment", the city police said.
He had gone overseas for treatment of cancer. The 1988-batch Indian Police Service officer, who had been on leave since 2016, was undergoing treatment for cancer.
Born on June 23, 1963, Roy grew up in Colaba. Of course, I knew him from the time he was the deputy commissioner of police, Zone I, but our daily interactions started after I became the police commissioner and he took over as in-charge of the Crime Branch.
As a young officer too, Roy handled several significant posts.
When Sivanandhan was the Commissioner of Police, Mumbai, Roy was the joint commissioner of police. Though he was not handling mainframe crime posting as Additional Director General of Police (housing), for almost 10 years before that Roy handled two of the forces most important offices.
These included the murder of journalist J. Dey. "He was a fitness freak and a nice person", he told Free Press Journal. His father was a well known doctor.More news: Closing moments of season-ending playoff loss will motivate Joel Embiid
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"Shocked to learn about Roy's untimely passing".
He also said that Roy remained in constant touch with him. He was a capable IPS officer & will be missed. "May the departed soul Rest in Peace", poet Dr. Kumar Vishvas tweeted. Roy went to Campion School and later studied commerce at St Xavier's College. What gave him edge over his peers in the police department in handling economic offences was that he was a chartered accountant by qualification.
Roy also played a key role in the investigations on the 26/11 Mumbai attacks.
One of his colleagues, MN Singh, was quoted in a media report saying he was a very bright officer. I found him very sharp, very polished, very sophisticated. They need to be proper rest by the government. A police inspector who had worked with Roy, said: "He did not believe in taking updates every week from officers like some others did".
Roy was well-known for his soft communication skills. "His demise is a great loss for the State police force", Rao said.
Actor Neel Nitin Mukesh, who was a family friend of Roy offered his condolence to the deceased IPS officer.