DNA: What is the truth of Shraddha and Aftab`s relationship?

In the Shraddha murder case, it has been learned so far that Aftab did the murder of Shraddha. After this Shraddha's body was cut into 35 pieces and kept in a refrigerator. So far the weapon has not been found with which Shraddha was chopped into pieces. See the unheard questions of Shraddha Murder in this DNA report?