Mumbai: Himanshu Roy, a senior Mumbai police officer involved in many high-profile investigations, committed suicide at his home at around 1:40 pm on Friday.
According to reports, Himanshu Roy who was an Additional Director General of Police shot himself using his service revolver.
According to a statement released by Mumbai Police, Roy committed suicide as he was suffering from cancer. The same reason has been mentioned in the suicide note recovered by the police, news agency ANI said.
He was rushed to a hospital where he was declared brought dead.
Himanshu Roy had earlier headed the Maharashtra Anti-Terror Squad (ATS).
An IPS officer of Maharashtra Cadre of 1998 batch, Himanshu Roy was believed to be battling cancer and had gone on a long leave on medical grounds.
Himanshu Roy played a major role in solving several key cases like Dawood's brother Iqbal Kaskar's driver Arif's firing, the murder of journalist J Dey killing, Vijay Palande, Laila Khan double murder case, murder of Pallavi Purkayastha.
While he was heading the anti-terror squad, he arrested software engineer Anees Ansari for allegedly planning to blow up the American School.
The officer, regarded by colleagues as committed, sharp and popular, had seven years of service left.
Himanshu Roy was among the police officers, who, in 2015 were seen to be sidelined after they wrote to the Maharashtra home department alleging poor treatment by seniors and favouritism in transfers. That was the time he was removed as chief of the anti-terror squad - an elite posting - and was appointed additional director general in charge of police housing.