document: UPDATE 1-India ex-minister , Reliance ADA charged in telecoms graft case * Unitech MD , 3 Reliance ADA officials charged * Charges include conspiracy , forgery , cheating -LRB- Adds details , background -RRB- By C.J. Kuncheria NEW DELHI , April 2 -LRB- Reuters -RRB- - Indian police on Saturday charged a former minister , the Reliance ADA Group and the Indian joint venture partners of Telenor and Etisalat , in a multi-billion dollar telecoms licencing corruption scandal that has rocked the government and business establishments . Andimuthu Raja , the telecoms minister at the time of a flawed 2008 mobile phone licence allocation process , Managing Director of Unitech Sanjay Chandra , and three officials of Reliance ADA Group were also charged in the case , a government lawyer told reporters . '' `` The charges are conspiracy , cheating , forgery of documents , abuse of official position and abetment , '' '' A.K. Singh , special public prosecutor told reporters after the charges were filed in court . The graft scandal , potentially India 's largest ever , has damaged confidence in the Congress-led coalition government , led to calls for the resignation of Prime Minister Manmohan Singh , and worried investors in Asia 's third-largest economy . -LRB- For a Q+A on the scandal , see -LSB- ID : nL3E7F11Z5 -RSB- -RRB- It is one of the several corruption scandals that have emerged during Singh 's second term , hobbling policymaking and diverting the government 's attention away from pushing forward crucial economic reforms . Some of India 's leading businesses have been questioned and past official decisions scrutinised or reversed . These events have weighed on stocks , with the Mumbai market ending the March quarter as the world 's worst performer . India may have lost as much as $ 39 billion due to violations of rules when lucrative mobile phone licences and radio spectrum were granted in 2008 , the state auditor estimated , a sum equivalent to the country 's defence budget . Raja was forced to resign and later arrested over the auditor 's report . He has been accused in court earlier of taking bribes from two firms which are now part of the India operations of Etisalat and Telenor . Singh said the police would file the bribery charges later . Others arrested include Shahid Balwa , the vice chairman of Etisalat 's Indian venture . Police have also questioned Anil Ambani , the billionaire chairman of Reliance ADA Group and Prashant Ruia , the chief executive of steel-to-telecoms conglomerate Essar group . A parliamentary panel probing the scandal has summoned iconic business tycoon Ratan Tata and Anil Ambani for questioning next week . All of the accused have denied any wrongdoing . The telecoms ministry is considering whether to cancel several licences , after the auditor 's report accused these firms of not being eligible for them , sparking off worries about regulatory stability . The Supreme Court , under its tough new chief justice , has been monitoring the progress of the case after having reprimanded Singh for not moving quick enough to act against his minister . Faced with a resurgent opposition , Singh 's government has not been able to undertake economic reforms such as freeing up diesel prices and allowing foreign investors into the supermarket sector . The corruption scandals , which include charges of graft at the 2010 Commonwealth Games and of officials at state-run banks taking bribes for corporate loans , have tarnished Singh 's image as a clean and effective leader . They could also affect the performance of the ruling Congress party in five state elections that begin in mid-April , in which the Congress must perform well or risk the coalition unravelling . -LRB- Reporting by CJ Kuncheria ; Editing by Jeremy Laurence -RRB-
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