Former Mumbai police commissioner Param Bir Singh, declared an absconder by a court, arrived in the city on Thursday and was questioned by crime branch officials in an extortion case registered against him. Singh, who flew in here from Chandigarh, arrived at the office of unit 11 of the Mumbai police's crime branch in Kandivali after 11 am.

He left at around 6.15 in the evening, seven hours later. The IPS officer, who is still Director General of Home Guard in Maharashtra, arrived and left in an official car. The crime branch questioned him in connection with an alleged extortion case registered at Goregaon police station in the city, a senior official said.