अरन बिफान, हरियाणा सोरकारआ 29 मे 1987 मायथाइयाव सोरखारि महरै बेखौ हाग्रानि जिब थिनानै दोननाय महरै मिथिहोनाय जायो।
Forests Department, Government of Haryana, officially notified this as a Wildlife Sanctuary on 29 May 1987.