Sourabh Chandrakar set up the Mahadev betting empire along with co-founder Ravi Uppal. The CBI has brought Sourabh Chandrakar back to India from Oman in the ₹6,000-crore Mahadev betting app case. He will appear before a special court in Raipur as the agency investigates the. CBI has brought Mahadev betting app promoter Sourabh Chandrakar from Oman to India in connection with the alleged Rs 6,000-crore betting and money laundering case.