Please help me out

Court decides the case on the basis of evidence which you donot have. In this eventuality, forget the same.

Custody of minor childern is the prerogative of natural parents, however, grandparents may apply for thier visitation right.

Grandparent visitation is a legal right that grandparents in some jurisdictions may have to have court-ordered contact (or visitation) with their grandchildren.you can file a petition in family courts.

Properly advised by expert lawyers above.Grandparents can apply for visitation rights of their grandchildren especially in the event of the kids being reared up by their father due to their mother's demise.  consult a lawyer and file a petition before a jurisdictional court.

1. He is within his right to refuse your visiting his kids, 2. However, your parents have the right to visit their grand children, 3. File a petition for grand parents visitation right if your parents want to visit their grand children.

To obtain an order for visitation of grand children by the Grand father and Grandmother from the Court  it shall have to be proved that visitation is either refused or denied. Therefore, Grand father and Grand mother shall go to see their grandsons first if such visitation refused they will go to the local police station and shall lodge a diary as proof of refusal of visitation and thereafter shall go to court for an order in this regard.