India covers 3,214 km from North land to South land and 2,933 km from eastwards to westwards. India has the land frontier of 15,106.7 km and a coastline of 7,516.6 km. Sri Lanka, Thailand, Pakistan, Bangladesh, Myanmar, Maldives, and Indonesia are the nations with which India accords marine borders. India is also surrounded in the south land by the Indian Ocean, in the eastwards and southeast by the Bay of Bengal, and in the westward and southwest by the Arabian Sea.
Mention the significance of each of them….