Ex-telecom minister Ramesh Gupta was jailed in February last year . Police charged three defendants , including 17 firms , in the case . In February last year , prime minister Manmohan Singh accepted opposition demands for a wider , cross-party investigation into the massive scandal . Suspects accused of underselling telecom radiowaves . CNN is the last defendant out on bail .
Ex-telecom minister Ramesh Gupta was jailed in February last year . Police charged three defendants , including 17 firms , in the case . Suspects accused of underselling telecom radiowaves . CNN is the last defendant out on bail .