Correct Answer: (b) Border Region of Rajasthan
Solution:Best cow breeds in India are found in Rajasthan. Breeds of cow generally found in Rajasthan are Tharparkar, Rathi, Kankrej, Sahiwal, Lal Sindhi, Gir, Nagouri, Haryanvi, Malwi and Mewati. Among these, Tharparkar breed is found in the western border district of Jaisalmer, Barmer and Jodhpur. Jaisalmer district of Rajasthan is at the top in terms of percapita milk production. Apart from this, it is also found in Kutch area of Gujarat.