New Delhi:A joint director of the Enforcement Directorate, in his letter dated June 11, 2018 forwarded to the Revenue Secretary HasmukhAdhia by ED Director Karnal Singh, Joint Director Rajeshwar Singh asked a series of uncomfortable questions from Revenue Secretary ranging from ignoring his promotion, "compromising National security", set scores on an ego trip among others. The joint director, who probed the 2G scam and Aircel Maxis case, has made a scathing attack on Adhia questioning him if he has developed animosity against him by "siding with scamsters and their affiliates".

Meanwhile, sources in the finance ministry said charges levelled by Rajeshwar Singh against the Revenue Secretary are absolutely baseless. The letter became public through informal channels after Supreme Court on Wednesday told the government that it was free to look into the "serious" allegations against Singh apparently withdrawing the immunity from probe given by it to the officer earlier.

The Supreme Court's observations came after the counsel of central government submitted a secret report in sealed cover apparently carrying details of a phone call received by Singh from Dubai. The Central government also told the court that it was open for investigations of allegations against Singh. While Adhia did not reply to messages sent to him seeking comments, sources in the finance ministry said charges levelled by Singh against the Revenue Secretary are absolutely baseless. "The officer of ED who is under a cloud, as acknowledged by Supreme Court also, is now trying to make undue allegations just to save his skin. If he is a clean officer why is there a need for him to worry? Let independent inquiry prove so," a source said.