Sourabh Chandrakar set up the Mahadev betting empire along with co-founder Ravi Uppal. Extradited Mahadev App promoter Sourabh Chandrakar faces CBI proceedings in Raipur over a massive online betting scam linked to MOB. Mahadev betting app promoter Sourabh Chandrakar, accused of running an illegal online betting network from abroad and paying protection money to public servants, has been extradited from Oman, the.