Gautam Buddha got nirvana at Bodh Gaya on the banks of which river?

The correct answer is Option 4 -Niranjan

Gautama Buddha attained nirvana at Bodh Gaya, which is located on the banks of the Niranjan River. The Niranjan River is a tributary of the Ganges River, and it flows through the Gaya district of Bihar, India.

The Niranjan River is a sacred river in Buddhism, and it is often associated with the Buddha's enlightenment and nirvana. Buddhists often visit the river to meditate and reflect on the Buddha's teachings.