Solution:
Wind deposition processes is responsible for producing the sand dunes in western Rajasthan. Sand dunes are the depositional features which are formed due to the deposition of sand particles carried by wind. A sand dunes shape depends upon direction and speed of wind.

Solution:
The Cuddapah Ranges lie between Godavari and Palkonda Range. Kadapa (alternatively spelled Cuddapah) is a city in the Rayalseema region of the south-central part of Andhra Pradesh, India . It is the district headquarters of Kadapa district.

Solution:
Tamil Nadu in India has the broadest continental shelf. A continental shelf is the edge of a continent that lies under the ocean. Continents are the seven main divisions of land on Earth.

Solution:
It is a pass situated in Western Ghats between Tamil Nadu and Kerala. It is also known as Palghat gap. Other famous passes of Western Ghats are Thalghat and Bhorghat.

Solution:
The following ranges in order as they occur from north to south are Karakoram, Ladakh, Zanskar and Pir Panjal.

Solution:
Longitude is geographically significant to India because it determines the Indian standard time. 82°30' E has been selected as the Standard Meridian of India because it is situated roughly in the centre of all longitudes and latitudes in which our country is located.

Solution:
Five Indian states share their boundaries with Nepal. Indian states having border with Nepal are :- Uttrakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim