land purchase law

If A - is from Hindu joint family puchased land in the name of B and C .

Where B is own daughter of A and C is brother's daughter of A.

B and C are minors


A - had paid entire compassion from his own account.

D is a father of C

Hence A and D are real brother's

Now if C is died in minor age of six years only.


And if after so many days D lodged suit in court for 1/2 

share and court gave judgement that A is a sole ower of this land 

After a gap of so many days another 

E - uterion brother of C , loadged the another suit  for half share that stating that 

He is a legal heir of C as a "uterion brother"


Please sir guide me whether this a


1

"resjudicata" case or not?

2

Can this case stand in the court and whether E will win it 


Note:-

This is my own case running in civil court Hence I want your friendly openion.