When did the following countries become independent states?

India

Pakistan.

Bangladesh ...

Sri Lanka ...

India - 1947

Pakistan - 1947

Bangladesh - 1971

Sri Lanka - 1972

Explanation:

India became independent from British rule on August 15th, 1947

Pakistan became independent from British rule and India on August 15, 1947 (Partition of India)

Bangladesh became independent from Pakistan on December 16th, 1971

Sri Lanka became independent from British rule on May 22, 1972