Rajasthan is one of the largest state of republic india.  Rajasthan cover an area of 342,239  square km.  Most of the region of the state is covered by Thar desert which is world’s    7th  largest  desert  and 3rd largest in Asia.   The proportion of the state's total area to the total area of the country is 10.41 per cent.  Total population of the state is  around 57 millions and literacy rate is 61 percent.
World oldest mountain range the Aravalli range approximately 800 km  is in Rajasthan .
Rajasthan was formed on 30 March 1949, when all the  princely states ruled by Rajputs, known as Rajputana, merged into the Dominion of India.