Which of the following sentences has correct punctuation marks?
1
West Bengal is a state in eastern India, between the himalayas and, the bay of bengal.
2
West Bengal, is a state in eastern India, between the himalayas and the Bay of Bengal.
3
West bengal is a state in eastern India, between the Himalayas, and the Bay of Bengal.
4
West Bengal is a state in eastern India, between the Himalayas and the Bay of Bengal.