BENGALURU, Oct. 14 -- An IAS officer of the Andhra Pradesh cadre and three others have been booked for allegedly assaulting a police inspector and obstructingpolice personnel during alate-night inspection at a Bengaluru bar and restaurant, according to an FIR registered on October 10. The alleged incident took place between 1 am and 1.30 am on October 10 at Cavore on Residency Road, within the limits of the Cubbon Park police station. The case names Vikas Marmat, Special Officer of the Kuppam Area Development Authority, and Abhay Uday Singh, Nitish and Roshan. According to the complaint filed by Arun Salunke, a police inspector with the Special Enquiry Wing of the Central Crime Branch, the incident took place around 1.30 am. "During checking of identity cards of customers to verify their age, the four men allegedly picked a quarrel with the cops. They abused, assaulted and obstructed them from discharging duties," said an officer briefed on the investigation....