Mumbai Police said they have arrested Nirmal Jaisinghani, a close aide of bookie Anil Jaisinghani, in connection with the blackmail and extortion case filed by Amruta Fadnavis, wife of Maharashtra Deputy CM Devendra Fadnavis.

"Nirmal helped Anil Jaisinghani hide and provide him with logistic support and to book hotel rooms in his name," an officer of the Mumbai police said.