In dargah, Dadi Amma Chilla Mubarak and Dadi Amma Ki Chaki (flourmill) is located. It is belived that if anyone who is possessed by evil spirit or suffering from black magic touches the Chaki, all the negative energy is destroyed. Devotees can take 7 or 11 around of Chaki for good health and prosperity.
As Hazrat Saiyed Ali Mira Datar (R.A.) family of Datar also used to follow the way of , with Hazrat Saiyed Ali Mira Datar (R.A.). Muhammad Sallallahu Alaihi Wasallam has gifted this divine power to eradicate /removal of evil spirit and black magic to his mother, grandmother and uncle.
The actual/origirnal Mazar's of Rasti Amma, Dadi Maa and Mamu Sahab is located in Usmaanpura (Ahmedabad). But all divine power of all of them is in Unnva sharif.