New Delhi ( CNN ) -- A New Delhi court Tuesday granted bail to India 's former telecom minister , who was at the center of one of the country 's biggest corruption scandals . Last year , police arrested the former minister , Andhimuthu Raja , and more than a dozen other defendants as part of high-profile investigations into the suspected below-price sale of telecom licenses . There are 17 defendants , including Raja and three companies , in the case . The 13 other individual suspects are already out on bail . Raja 's lawyer Ramesh Gupta told CNN that the court ordered his client be released on bail Tuesday . The alleged scam has rocked the country 's coalition government and investor confidence in Asia 's third-largest economy . Suspects are accused of participating in a scheme involving the underselling of cell phone licenses at the height of India 's lucrative telecom boom . Police have also questioned several high-profile executives . The firm of business tycoon Anil Ambani is among three companies named in the charge sheet spelling out the accusations . Politicians , bureaucrats and corporate officials linked to the probe have denied any wrongdoing . According to a government audit , the treasury lost as much as $ 31 billion from the 2008 sale of the wireless spectrum . That audit report came on the heels of allegations of massive fraud in sports and real estate . In February last year , prime minister Manmohan Singh accepted opposition demands for a wider , cross-party investigation into the massive scandal .
Ex-telecom minister Andhimuthu Raja was jailed in 2011 . The government has also been accused of using the courts to settle political scores. Suspects accused of underselling telecom radiowaves . Raja is the last defendant out on bail .