Question

give geographical reasons the standard time of India has been decided by the local time at 82.5 degree east longitude​

Answer 1

Answer:

Due to India's vast size

Explanation:

This is because India is a vast country and have a great difference in sunrise timing along East in Gujrat and West in Arrunachal Pradesh. Hence, it is necessary to have a specific time all over the India which is done by taking Standard Meridian of India at 82.300East at the Tropic of Cancer passing through the middle of India.