India, Sept. 3 -- Former bureaucrat Ashish Joshi was detained by Delhi Police on Wednesday and questioned for over eight hours at the counter-intelligence (CI) unit office in New Friends Colony (NFC) in connection with a case registered by the special cell, before being dropped home in the evening, police officers said on the condition of anonymity.

Joshi was picked up from Nehru Park while he was out on a morning walk, said his friends. He was dropped at his RK Puram residence by the special cell team later, the officers cited above said.

"There is an FIR registered two days by the special cell in which some links of Ashish Joshi emerged during the investigation. As Joshi's routine questioning was required, he was brought to the CI's o...