Selling Of Land By One Party Without Actual Division Of Land Between All Parties

My grandfather owns one big land on Highway (purchased by himself). He had 5 sons & one daughters. Before his demise, in 1994, he had registered his Will. In the registered will he has divided this property between his 5 sons only. Sons & daughters Name are:- A (Son) B (Son) C (Daughter) D (Son) E (Son) F (Son). In this sequence, B (Son) have done two marriages. Son B, has 1 daughter from first marriage. & two sons from second marriage. Son B has registered one case for division of this land and along with that his daughter has raised the case for share in this land from his division part. In the records of rights (jamabandi) for land, the names are specified of only 5 sons of my Grandfather (A, B, D, E & F). Question 1 :- Can Son A sell his part of land before the division of land. Question 2:- Is there any chance that Daughter C, can claim for share in this land. Question 3:- Is there any chance of any letigation raised by other parties in selling of part of land by Son A