DNA: What is the truth of Veer Savarkar`s `Mercy Petition`?

Addressing a program, Defence Minister Rajnath Singh said that Veer Savarkar, who was in jail, had written a mercy petition to the British only at the behest of Mahatma Gandhi. Watch the analysis of Savarkar's heroism and the truth of Veer Savarkar's 'apology'.