Advani joined the Rashtriya Swayamsevak Sangh (RSS) in 1941 as a 14-year-old boy.[8] He became a pracharak (full-time worker) of the Karachi branch and developed several shakhas there.[9] After Partition, Advani was sent as a pracharak to Matsya-Alwar in Rajasthan, which had witnessed communal violence following Partition.