"We had received information that gambling was going on inside quarter No 69 at IIM-A campus. We raided the venue, arrested 12 people and have sent them to judicial custody," Investigating Officer A B Sisodia told reporters here.
"One person who was allocated the quarter, fled from the spot and hunt is on to nab him," he said.
The accused were employed as sweepers, peons and cleaners, police said, adding that further investigations are on.