Police have sought CCTV footage of the second and third-floor corridors of The Park from where 37 people were arrested early on Sunday for partying in violation of Covid restrictions imposed by the state government.

Some of those arrested were allegedly involved in a scuffle with the police when asked to stop the revelry.

The Park issued a statement: “Guest and staff safety being our utmost priority, the bars and restaurants at our hotel are shut on the basis of the Covid-19 protocols. We are complying with all rules and regulations and will continue to do so and there has been no violation. We are fully cooperating with the authorities.”

Park Street police station has drawn up an FIR under various sections of the Disaster Management Act and the Indian Penal Code. The FIR names some officials of The Park, senior police officers at Lalbazar said.

On Monday, officers of the detective department said they would want to know when on Saturday night the party began and whether such late-night parties were often held at the Park Street hotel in violation of curbs

Across the second and third floor of the hotel, four rooms were booked for several weeks and several guests would come and go through the day, investigators said they had learnt.

The statements of the seven accused who were remanded in police custody on Sunday will be cross-checked with CCTV footage from the hotel. Two other accused were remanded in judicial custody while the rest were released on bail. “We want to know the number of people who attended the rally. That will be compared with the number of people our team came across when they reached the spot on Sunday,” said an officer.