1 question abt Zainab's cremation is eating my brains

Wen Anwar n Zeenat adopted Zoya y didn't they went to d gudiya factory, find Zainab's bidy n cremate her? Y d skeleton is there 4m so many years? Wen AsYa were investigating d gudiya factory n Rashid was arrested then wat happened to dat woman's dead body? Was she kept in morgue or left there as it is? Dis question is eating my brain😕.