Professor Vinayak Chaturvedi, whose book on VD Savarkar is out next year, fact-checks Defence Minister Rajnath Singh's recent statement that Gandhi suggested Savarkar to file mercy petitions. In the interview, Chaturvedi talks about the Sangh Parivar's long-term project of mainstreaming Savarkar, and why the Hindutva icon is the "ghost father of the nation."