- founded secret society Abhinav Bharat Society 1904
- went to UK, involved w/
- India House
- Free India Society
- involved in formation of Akhil Bharat Hindu Mahasabha 1915
- prez during 1937-43
- wrote book The History of the War of Indian Independence
- wrote about guerilla warfare tricks used in 1857 Revolt
- also wrote Hindutva: Who is Hindu