The Indian Desert
The Indian desert lies towards the western margins of the Aravali Hills. This region gets scanty rainfall which is less than 150 mm in a year. Hence they climate is arid and vegetation is scanty. Luni is the only large river but some streams appear during rainy season. Crescent-shaped dunes (barchans) abound in this area.
The Coastal Plains
The Peninsular plateau is flanked by stretch of narrow coastal strips. They run along the Arabian Sea on the west and along the Bay of Bengal on the east.
Western Coastal Plain
The western coast lies between the Western Ghats and the Arabian Sea. It is divided into three sections.
- The Konkan, which comprises of Mumbai and Goa makes the northern part.
- The Kannada Plain makes the central part.
- The Malabar coast makes the southern part.
Eastern Coastal Plain
The Eastern Coastal Plain is wider and level and it runs along the Bay of Bengal. It is divided into two parts. The northern part is called Northern Circar. The southern part is called the Coromandel Coast. Extensive deltas are formed by large rivers like Mahanadi, Godavari and Kavery. Chilika lake is an important feature along the eastern coast.
The Lakshadweep Islands are in the Arabian Sea. Its area is 32 sq km. The administrative headquarters of Lakshadweep is at Kavaratti island. This group of islands is rich in terms of biodiversity.
Andaman and Nicobar
The Andaman and Nicobar Islands are bigger in size and has more number of islands. This group of islands can be divided into two groups. The Andaman is in the north and the Nicobar is in the south. These islands too have rich biodiversity.