Bihar shares its eastern border with which Indian state?

Odisha
Jharkhand
West Bengal
Assam

The correct answer is: c) West Bengal

Bihar shares its eastern border with West Bengal. The two states are separated by the Ganges River. Bihar is located in the eastern part of India, while West Bengal is located in the eastern part of India. The two states are separated by the Ganges River.

Odisha is located in the eastern part of India, and Jharkhand is located in the eastern part of India. Assam is located in the northeastern part of India.