Grand daughter claim on grand father's property

HI, FAMILY TREE NOTE: The below drawn FAMILY TREE was based on relation between FAMILY MEMBERS & PLAINTIFF (Female) A (Great Grand Father) B (Grand Father 1) C (Grand Father 2) 1st son of A 2nd son of A D (Father) Only son of C D1 (Brother 1) 1st son of D D2 (Sister) 1st Daughter of D D3 (Brother 2)2nd son of D D4 (Brother 3) 3rd son of D D5 (Brother 4) 4th son of D D6 (Plaintiff) 2nd Daughter of D PROPERTY DETAILS: 1930: A (Great Grand Father) partitioned his SELF ACQUIRED PROPERTY between his two sons B (Grand Father 1) and C (Grand Father 2). 1930: C (Grand Father 2) purchased Land of his own money. PROPERTY SCHEDULE 1: From above C (Grand Father 2) got property by partition and by purchasing of land. 1946: Again C (Grand Father 2) purchased Land of his own money and registered property on the name of his son D (Father). PROPERTY SCHEDULE 2: From above D (Father) got property from his father C (Grand Father 2) by gift. TESTAMENTARY DOCUMENT: 1989: A registered WILL executed by D (Father) stating that: He made marriages to D1, D2 & D3 and marriages of remaining D4, D5 & D6 should be done by his wife & D1(1st son of D) by selling of his(D (Father) ) properties. After doing this the remaining property should divided equally by his FOUR SONS (D1, D3, D4, D5) & WIFE. NOTE: After 2 months D (Father) Deceased. ABOUT SUIT FILED BY D6 (Plaintiff) 2nd Daughter of D: 2009: D6 (Plaintiff) 2nd Daughter of D filed partition suit on her mother and D1, D2, D3, D4 & D5 stating that this property belongs to ANCESTRAL PROPERTY and she also had equal share in the PROPERTY SHEDULE 1 & PROPERTY SHEDULE 2. I NEED YOUR VALUABLE ANSWERS TO THE FOLLOWING QUESTIONS: 1. The property claimed by D6 saying that it is ANCESTRAL PROPERTY and she had equal share in it? 2. Whether THE HINDU SUCCESSION ACT 1986(Amended in Andhra Pradesh) is applicable to this case? 3. D (Father) got PROPERTY SHEDULE 2 by gift but there is no mention of PROPERTY SHEDULE 1 but he is the only son of C (Grand Father 2) and enjoyed the PROPERTY SHEDULE 1 for more than 50 years. Whether D (Father) has right to execute WILL on both PROPERTY SHEDULE 1 & PROPERTY SHEDULE 2? 4. Is the WILL executed by D (Father) is accepted? 5. Whether this is ANCESTRAL PROPERTY or SELF ACQUIRED PROPERTY on the hands of D (Father)? 6. D6 filed partitioned suit after 15 YEARS of her marriage. Is there is any limit for filing partitioned suit? Is she WAIVER?