I never like to refer back to anything I've done when I'm working on a character, even if that character has the same occupation.
For 14 years no PM had gone to Jammu and Kashmir. Atal ji changed that and went to Jammu and Kashmir. He gave 3 Mantas- Insaniyat, Jamhuriat and Kashmiriyat (Humanity, democracy and J&K). We aspire to walk on that path