Answer : 1. "बाड़मेर"
Explanation :

During the drilling of the well, four hydrocarbon zones were encountered in the Dharvi Dungar (DD) formation of Late Paleocene to Early Eocene age,” it said. The 542 square kilometre RJ-ONHP-2017/1 Block is located in Gudamalani and Chohtan Tehsil of Barmer district, Rajasthan.