India, July 8 -- Sourabh Chandrakar, fugitive mastermind of Rs.6,000 crore Mahadev online gambling syndicate, has been detained in Oman, people familiar with the development said on Wednesday, adding that an extradition request is being sent to Muscat.

While agencies are trying to ascertain the details of his capture through formal channels, officials who didn't want to be named said Chandrakar, whose last location was in the UAE, was taken into custody by Royal Oman police based on an Interpol notice issued by Indian agencies.

Initial information suggests that Chandrakar was travelling to Oman on a fake passport obtained from a southeast Asian country.

India and Oman have an extradition treaty and officials in New Delhi are hopeful th...