Mahavira got enlightenment on the banks of which river?

Saryu River Ganga River Rijubalika River Niranjan

River Niranjan

The correct answer is Option (4) - River Niranjan According to traditional accounts, Mahavira achieved Kevala Jnana (omniscience, or infinite knowledge) under a Sāla tree on the bank of the River Rijubalika near Jrimbhikagrama at age 43 after twelve years of rigorous penance.