The betting was mainly on the score the Indian team would score in the first innings of the match, whether it would cross 300 or not, police said.
Based on information, police raided a room in a complex in the city and arrested the six, including the main agent Ramesh, and seized Rs 26,000 from their possession, police said.
The arrested were remanded to custody and would be lodged at the central jail here, they said.