Top Muslim leaders in the state such as Janata Dal-Secular president C.M. Ibrahim, late Congress leader Qamar-ul-Islam, Rajya Sabha Opposition leader Mallikarjun Kharge, Congress leader Iqbal Ansari, former Union Ministers -- Jaffer Shariff, Rahman Khan and former Karnataka Minister Roshan Baig are allegedly involved in the racket, the former State Minorities Commission Chairman said.