The report dated March 18 was made public on March 31. It also refers to the recent cases in which Modi was given a clean chit by the courts and investigative agencies.
In December 2010, a Special Investigative Team appointed by the Supreme Court of India had found "no substantial incriminating evidence" that chief minister Modi had let the rioters rampage against the Muslims in February 2002, it said.
"On the other hand, the Gujarat high court continues to criticize chief minister Modi for his 'inaction and negligence' during the violence," the report said.
The report said Modi as the Prime Minister would enjoy diplomatic immunity.
However, it is only US President Barack Obama who can exercise his authority to deny a visa to Modi as the Prime Minister of India if he deems that would be detrimental to the American interest.
In August 2011, Obama had issued a proclamation in this regard pertaining to foreign nationals involved in war crime or systematic violence systematic against civilian populations.
