Four people were arrested here on Sunday in connection with a cricket betting racket, police said.Following a tip off, police raided a flat in Ashwininagar in the Baguiati area in the city's north eastern outskirts and nabbed the four.Cash amounting to Rs.40,000, besides two laptops and 15 mobile phones were also seized.This is the second cricket betting racket busted in the city since the beginning of the cricket world cup.Four days back, six people were arrested and cash, mobile phones and laptops seized from them at Bangur in the north eastern fringes of the city.