Ravi Uppal, co-promoter of the Mahadev online betting app, has reportedly been arrested in the United Arab Emirates (UAE). Officials. The ED has been probing alleged money laundering linked to the Mahadev app. The case came to light during the previous Congress government led by Bhupesh Baghel in. Mahadev betting app co-founder Ravi Uppal arrested in Dubai days after Sourabh Chandrakar's extradition to India.