Section 15
Valid adoption not to be cancelled
Chapter 2: Adoption
No adoption which has been validly made can be cancelled by the adoptive father or mother or any other person, nor can the adopted child renounce his or her status as such and return to the family of his or her birth.
The Hindu Adoptions and Maintenance Act, 1956 (Act No. 78 of 1956). From the updated text on India Code, with later amendments. Being checked against the official copy; amendment notes are not shown yet.