Classify the states into four groups each having common frontiers with (i)Pakistan, (ii) China, (iii) Myanmar, (iv) Bangladesh.

Find out the states which do not have an international border or lie on the coast.

Find out the number of Union Territories along the western and eastern coasts.

Why is the difference between the durations of day and night hardly felt at Kanyakumari but not so in Kashmir?

Why has 82°30'E been selected as the Standard Meridian of India?