Bal Gangadhar Tilak was a principal.
"Following the Partition of Bengal, which was a strategy set out by Lord Curzon to weaken the nationalist movement, Tilak encouraged the Swadeshi movement and the Boycott movement
Tilak opposed the moderate views of Gopal Krishna Gokhale, and was supported by fellow Indian nationalists Bipin Chandra Pal in Bengal and Lala Lajpat Rai in Punjab

