Correct Answer: (4) Hisar
Solution:The Aravalli rangehas presence in Faridabad, Gurgaon, Mewat, Mahendargarh and Rewari districts of Haryana. Out of the total area of 1,18,736 hectares, the Aravalli hills occupy an area of 11,256 (9.48 per cent) hectares in Gurgaon. In Faridabad, the Aravalli hills are spread over 9,208 hectares; while its area in Mewat is 19,965 hectares (12.08 percent).