The water body to the east of India is_____.
A. Arabian Sea
B. Bay of Bengal
C. Dead Sea
D. Caspian Sea

Hint: This water body was also known as the Kalinga Sagar. It is surrounded by India and its neighboring countries. It is home to a variety of wildlife and is an integral part of the world. A large number of rivers flow into it, for example, Ganga, Jamuna, Brahmaputra, Godavari, and many more.

Complete answer: the Bay of Bengal lies towards the east of India and the Indian Ocean lies to the south of India. The Bay of Bengal in the northeastern part of the Indian Ocean and it seems to be bounded on the west and northwest by the Indian subcontinent, on the east by Myanmar, on the north by Bangladesh, and the Andaman and Nicobar Islands of India. Its southernmost limit is a line between Sangamon Kanda situated in Sri Lanka and the northwesternmost point is situated in Sumatra. In ancient India, the Bay of Bengal was known as Kalinga Sagar because the kingdom Kalinga was situated near it. Western Ganga was a very important ruling dynasty of ancient Karnataka in India, and it lasted about 650 years. They are known as 'Western Gangas' to distinguish them from the Eastern Gangas which later became the Kalinga. Kalinga was a huge historic region of India which was situated between the Mahanadi and Godavari rivers. The rulers of Kalinga always kept fluctuating with its rulers.
Therefore option B is the correct answer.

Note: The Bay of Bengal occupies an area of about 2,600,000 square kilometers and a large number of rivers flow into it, for example, Ganga, Jamuna, Brahmaputra, Godavari, and many more.