Question

which are the most common type of sandunes found in that desert​

Answer 1

Most of the desert is covered by huge shifting sand dunes that receive sediments from the alluvial plains and the coast.

Answer 2

The Thar Desert extends between the Aravalli Hills in the north-east, the Great Rann of Kutch along the coast and the alluvial plains of the Indus River in the west and north-west. Most of the desert is covered by huge shifting sand dunes that receive sediments from the alluvial plains and the coast.