My Grand Father had Two wife and ofr 1st wife three son and one daughter and for second wife two son and one daughter. 

Including my father all are died.

My Grandfather have the property around 6 acres and partition taken in 1972 by court.

Court divided equal share for Two wifes

I am the grandson of  My Grand father s1st wife!

Now all the three brother are died, While diving our property in the Year 1972 In the court copy I have my father's Name, But till Now my Second Uncle Families are enjooying the Undivided Share! Shall I Challenge the Property!

GO FOR THE AMENDEMENT OF PRE,IMINARY DECREE AND THEN FILE THE FINAL DECREE APPLICATION FOR SEPRATE OF SHARES BY IMMPLEDING YOUR NAME AND LEGAL HEIRS OF THE ALL THE PARTIES