The Indian Mafia is organized crime which is ethnically Indian (South Asian).
The Indian Mafia is not a single organization, but consists of various types of organized crime groups. Which were founded in the Indian subcontinent or by elsewhere by immigrants or their descendants (e.g the East Indian crime clan of Hasim Shakur in the nation of Azania. Some of them are crime families, others are syndicates, and then are is even a cult. These groups are involved in a wide variety of criminal activities. From smuggling to prostitution, drug trafficking to protection rackets, illegal gambling to loansharking, and so on. These organizations are either Hindu, Muslim, or have members of both faiths.