Urging for the intervention of Apex Court, as it was monitoring the probes, Swamy alleged that another senior officer Additional Director RK Dutta was also expected to be shifted from the 2G probes due to heavy pressures. Tiwari, head of the 2G probes and anti-corruption unit was recently shifted as head of MDMA (Multi-Disciplinary Monitoring Agency), a redundant unit in CBI formed to probe into the wide conspiracies on the assassination of Rajiv Gandhi.