Hindutva is a Hindu nationalist political ideology encompassing the belief in establishing Hindu hegemony within India. The political ideology was formulated by Vinayak Damodar Savarkar in 1922. It is used by the Rashtriya Swayamsevak Sangh (RSS), the Vishva Hindu Parishad (VHP), the current ruling Bharatiya Janata Party (BJP), and other organisations, collectively called the Sangh Parivar.