Answer : 4. "Bhakar"
Explanation :

1. Bhakar: The ridge situated in the far west of East Sirohi, which is steep, less elevated and rough, is called Bhakar.

2. Girwa: The saucer-shaped hills around Udaipur are called Girwa in the local language.

3. Kherad and Malkherad: Most of the area is spread in the basin of Banas river, that is, this area is spread over most of Jahazpur tehsil of Bhilwara district and Tonk district. In this area, the plateau slope is generally CD-shaped and towards the Banas valley. Also known by the name.

4. Desharo: The area between Jarga and Sirohi hills in Udaipur is called Desharo because it is always green.