Question

What do mean by indian union and indian mainland?

Answer 1

Hi.
Ur answer is..

Mainland indian are territory of india located on the asian continental mainland.. It includes all part of india except union territory andaman nicobar
Island. Lakshadweep and the antartic base of maitri...

And the part of andaman nicobar lakshadweep etc..
Together are called union indian..

Hope it helpful