Former Mumbai Police Commissioner Parambir Singh has been booked in a fourth case on Saturday. Businessman Bimal Agarwal has registered a case of extortion against Singh and others at Goregaon police station. The complainant has also mentioned Sachin Waze, Sumit Singh alias Chintu, Alpesh Patel, Vinay Singh alias Bablu and Riaz Bhati. The police have arrested Sumit Singh in the case, which has been transferred to the Crime Branch.

Agarwal has claimed in the complaint that the arrested accused, API Sachin Waze, had told Agarwal that his number one boss was Parambir Singh and that Singh had given Waze a target of collecting Rs 2 crore daily.