Explanation:

 Udaipur is the southern ‘big’ city of Rajasthan, and also the most romantic one. The city is completely surrounded by green hills descending into the Pichola Lake in the waters of which are romantically reflected. Udaipur is also known as the white city of India, because of the candid Rajput-style palaces standing all around the lake. And most of all because of the scenic white marble palace located in the middle of it.