Why is India said to be a country of vast expanse?

Ans India has an area of about 3.28 million sq.km. The north–south extent from Kashmir to Kanyakumari is about 3,200 km. The east–west extent from Arunachal Pradesh to Kuchchh is about 2,900 km. The lofty mountains, the Great Indian Desert, the Northern Plains, the uneven plateau surface and the coasts and islands present a diversity of landforms.