p.v. narasimha rao appointed him minister of state for law, justice and company affairs in july 1991. despite his personal sense of loyalty to narasimha rao, ranga was unable to support him in what was increasingly being seen as a corrupt congress regime. in a letter to the president he raised several issues with regards to corruption allegedly perpetrated by the prime minister, based on documents he had in his possession and that formed the basis of the vohra committee report. in this letter he asked the president to ask the prime minister to step down and face an investigation against the charges.