Thar Desert national average, and overgrazing is also a factor affecting climatic and drought conditions. A large number of farmers in Thar desert depend on animal husbandry for their livelihood. Cows, buffalos, sheep, goats, camels, and oxen consists of major cattle population. Barmer district has the highest cattle population out of which sheep and goats are in majority. Some of the best breeds of bullocks such as Kankrej (Sanchori) and Nagauri are from desert region. Thar region of Rajasthan is the biggest wool-producing area in India. Chokla, Marwari, Jaisalmeri, Magra, Malpuri, Sonadi, Nali and Pungal breeds of sheep are found in the
Thar Link Express renewable rail communication agreement was again extended by both nations from 19 January 2016 to 18 January 2019. This agreement forms the basis of running Thar Link Express, as well as the Samjhauta Express. The Delhi–Lahore Bus and Srinagar-Muzaffarabad Bus are based on a separated agreement. The Thar Link Express is a continuation of the previous "Sind Mail", when it was revived after a period of 41 years on 18 February 2006. Indian network, on which this train runs, was converted to broad gauge long ago. In 2005, Pakistan also converted the line from metre gauge to broad gauge. This