The Akhil Bharatiya Jana Sangh (abbreviated as BJS or JS, short name: Jan Sangh [10]) was a Hindutva political party active in India.It was established on 21 October 1951 in Delhi by three founding members: Shyama Prasad Mukherjee, Balraj Madhok and Deendayal Upadhyaya.Jan Sangh was the political arm of Rashtriya Swayamsevak Sangh (RSS), a Hindutva volunteer organisation. [11]