Question

why do elders rotate salt and mustard seeds around the head

Answer 1

By moving the fists as described the distressing vibrations are first imbibed in the substance used in the ritual and by touching the ground they are then pulled into the ground.The number of movements of the fists is to be decided based on the extent of distress.

Answer 2

it is just a belief of elder people. the believe that by doing that they can make the bad luck from them go.

normally it is said that when people see us and becomes jealous of us then it means we are being cursed or something of a bad luck comes to us to make it go they tell that they do it