The correct answer is option 2: Kushinagara.

Buddha attained Parinirvana in Kushinagara. Parinirvana is the final passing away or death of a fully enlightened being, like Buddha. Kushinagara is an important pilgrimage site for Buddhists as it is the place where Buddha passed away. It is located in present-day Uttar Pradesh, India.

Bodh Gaya, mentioned in option 1, is another significant site related to Buddha. It is where Siddhartha Gautama, who later became Buddha, attained enlightenment under the Bodhi tree. However, it is not the place where Buddha achieved Parinirvana.

Rajgriha, mentioned in option 3, was an ancient city in present-day Bihar, India. It was an important place during Buddha`s lifetime as it served as the capital of the Magadha Kingdom. However, it is not the place of Buddha`s Parinirvana.

Vaisali, mentioned in option 4, is also an ancient city in present-day Bihar, India. It holds significance in Buddhism as Buddha visited it several times and delivered important teachings there. However, it is not the place where Buddha attained Parinirvana.

Therefore, the