India has a total of 247 islands. Of these 204 are in the Bay of Bengal and the remaining 43 are in the Arabian Sea. The islands of the Bay of Bengal are called Andaman and Nicobar islands, which are largely tectonic and volcanic in origin. In Andaman there are four groups of islands – North Andaman, Middle Andaman, South Andaman and Little Andaman, Port Blair the capital of Andaman and Nicobar Group Island is situated in South Andaman islands. Barren and Narcondam are famous volcanic islands in this group.
Nicobar are three groups of islands – Car Nicobar, Little Nicobar and Great Nicobar. The Andaman and Nicobar islands have warm tropical climate and receive heavy rainfall during monsoon seasons and they have thick forest and rich wildlife.
The islands of the Arabian Sea are called Lakshadweep Islands. These islands are very close top Kerala. These are coral in origin and are surrounded by fringing reefs. Kavarati is the capital of Lakshadweep islands. Minicoy and Amnidivi are the important groups in Lakshadweep.
Indian Desert: It lies to the west of the Aravallis. This desert is formed by the work of wind and climatic extremities. The total area of the desert is around 1, 75,000 sq.km. Rajasthan, parts of Gujarat, Punjab and Haryana come under Thar Desert.
The desert proper or central region of the desert is called ‘Marustali’. The atmospheric condition I the desert is extreme. During summer temperature exceeds 50° C and in winter it comes down to 10° C and below. Ganganagar of Rajasthan has recorded more than 54° C of temperature. The rainfall in the desert is very low. Roylee, a place in North Rajasthan, recorded the lowest rainfall in the country (8cm per year). Indian desert comprises mainly of sand dunes. There are a few salt lakes in the desert like Sambhar, Tal, Katu and it has thin
