It was founded in 1940s in Kenya, it is currently active in 156 countries and estimates 3289 branches.
Also question is, what is Hindutva ideology?
According to the Oxford English Dictionary (OED), Hindutva is “Originally: the state or quality of being Hindu; ‘Hinduness’. Now: an ideology advocating, or movement seeking to establish, the hegemony of Hindus and Hinduism within India; Hindu nationalism.””
The Sarsanghchalak (IAST: Sarasanghacālaka) is the head of the Rashtriya Swayamsevak Sangh (RSS), an Indian right-wing, Hindu nationalist organisation that is widely regarded as the parent organisation of the Bharatiya Janata Party.
Hereof, who started RSS in India?
Formation of RSS
Hedgewar participated in the Indian National Congress in the 1920s, but he became disillusioned with their policies and politics. He had been an active member of the party’s volunteer division – Hindustani Seva Dal, the predecessor of the Congress Seva Dal.