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The Palace on Wheels is a luxury tourist train. It was launched by the Indian Railways in association with Rajasthan Tourism Development Corporation to promote tourism in Rajasthan.
The train service was refurbished and relaunched in August 2009 with a new decor, itinerary and cuisine. It was voted the 4th luxurious train in the world in 2010.
The Palace on Wheels started on January 26 in 1983.
The concept of the Palace on Wheels was derived from the royal background of the coaches, which were originally meant to be the personal railway coaches of the erstwhile rulers of the princely states ofRajputana, Gujarat, the Nizam ofHyderabad and the Viceroy of British India.
Each saloon highlights the cultural ethos of the state, represented through the use of furniture, handicrafts, painting and furnishings. Delhi-based interior designer Monica Khanna did the interiors of the train. 
There are 14 coaches in the train. Each is named after former Rajput states and matches the aesthetics and interiors of the royal past: Alwar, Bharatpur, Bikaner,Bundi, Dholpur, Dungargarh, Jaisalmer,Jaipur, Jhalawar, Jodhpur, Kishangarh,Kota, Sirohi and Udaipur. Each coach has four cabins (named chambers orsaloons by the company) with luxury amenities.
The train has two restaurants, The Mahārāja and The Mahārāni, with aRajasthani ambiance servingcontinental, Chinese cuisine, one bar cum lounge & spa saloon.
The Palace on Wheels at a halt in Agra
The train has a 7 nights & 8 days itinerary departs from New Delhi (Day 1), and covers Jaipur (Day 2), Sawai Madhopur and Chittaurgarh (Day 3),Udaipur (Day 4), Jaisalmer (Day 5),Jodhpur (Day 6), Bharatpur and Agra(Day 7), return to New Delhi (Day 8).