Elder Sisters share of ancestress property with younger brothers.

Sir, My Paternal G.Father having self acquired house had expired without settlement of property intestate in 1955. He had 3 sons and one daughter. My father is eldest son of him. My father also expired in 1967 intestate. He has 4 children 2 daughters (elders) 2 sons (youngers). A settlement deed was made and was registered in the name of above four children of my grandfather in 2014. My father share of 1/4 part-A, is registered in the name of my mother and 2 of our two brothers, as my aged sisters are requested us not to include their names for registration.Issue NOC while sale. Is it ok.