Based on a tip-off, police raided a den run at Dharma Complex in CIDCO locality here last night and arrested four bookies while taking the bets, Inspector (Crime branch), Avinash Aghav said.
Of the four, three were sons of a retired ACP and they were identified as Vishal Singh, Deepak Singh Gaur, his younger brothers Kapil and Sachin.
Police also seized mobile phones, laptops and computers used for booking, and cash worth Rs four lakh.