Akhil Bharatiya Vidyarthi Parishad (ABVP) (Sanskrit: अखिल भारतीय विद्यार्थी परिषद, "All Indian Student Council") is a Hindu nationalist all India student organisation affiliated to the Hindu nationalist Rashtriya Swayamsevak Sangh (RSS).It is one of the largest student organisations internationally, with more than three million members.
Rashtriya Swayamsevak Sangh is the largest student organization.
It's one of the largest, but isn't THE largest. 