1. The India-Pakistan International Border is named Radcliffe International Border because this border was determined by the British officer Michael Radcliffe. The length of the international border of Rajasthan is 1070 km which extends from Hindumal Kot (Ganganagar) to Shahgarh, (Barmer).

2. The districts of Rajasthan (from south to north) located on the international border are Barmer (228 km), Jaisalmer (464 km), Bikaner (168 km), Sriganganagar (210 km).

Parabolic Sand Dune-

1. Parabolic Sand Stupa is also called Parabolic Sand Stupa.

2. Sand stupas like Barkhan's viparita or women's hair pin (clip) are called parabolic sand stupas.

3. Parabolic sand stupas in Rajasthan are generally found in Jaisalmer, Bikaner, Barmer and Jodhpur.