The Ananya express is an Indian Railways superfast-class train running between Kolkata (Sealdah) and Udaipur city.
It covers a distance of 2,141 km at a speed of 60 km per hour, travelling through the Indian states of Paschim Banga (West Bengal), Jharkhand, Bihar, Uttar Pradesh and Rajasthan. It connects Eastern India with tourist spots such as Agra, Jaipur, Jodhpur, Udaipur and Ajmer.
The service formerly ran between Sealdah and Ajmer, but was extended through to Udaipur. The train is hauled by a WAP 4 class locomotive from Howrah to Sawai Madhopur Junction, and from there to Udaipur city by a WDM 3A class locomotive of Indian Railways.
http://indiarailinfo.com/train/64/344/609