Sourabh Chandrakar set up the Mahadev betting empire along with co-founder Ravi Uppal. 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. Mahadev betting app promoter Sourabh Chandrakar has been brought back to India from Oman.