The Santacuruz Police arrested a well-known bookie, Nikunj Thakkar, from his residence in Mulund on Tuesday. Thakkar has been arrested in an ongoing investigation where cops, on January 8, busted a betting syndicate at Santacruz and arrested four bookies.

Bets had been placed on the T20 league in Australia. Thakkar has various cases against him in Mumbai and Thane, said Shriram Koregaonkar, senior inspector, Santacruz police station.