1.the property which belong my grandfather Nd still now it's in my grandfathers name can my grandmother give here share only one grandson.
Yes, she can very well give her legitimate share to anyone of her choice, nobody can question her rights about it.
2.can my mother give settlement to father alone when there is case in the count
Yes, your mother can give her legitimate share to your father or anyone of her choice. By the way what is case in count?
3.has a granddaughter I have share r not.
No, you do not have any share in the property that were your mother's father.
4.has my mother gave settlement to my father what type of property is it now .
5.can I claim a share in it.
Your mother has settled her share of property to your father in which she had full rights as an absolute owner.
You cannot claim a share in it.