The Transgender Persons (Protection of Rights) Act, 2019
Chapter III - Recognition of Identity of Transgender Person
Section 7: Change in Gender
(1) After the issue of a certificate under sub-section (1) of section 6, if a transgender person undergoes surgery to change gender either as a male or female, such person may make an application, along with a certificate issued to that effect by the Medical Superintendent or Chief Medical Officer of the medical institution in which that person has undergone surgery, to the District Magistrate for revised certificate, in such form and manner as may be prescribed.
(2) The District Magistrate shall, on receipt of an application along with the certificate issued by the Medical Superintendent or Chief Medical Officer, and on being satisfied with the correctness of such certificate, issue a certificate indicating change in gender in such form and manner and within such time, as may be prescribed.
(3) The person who has been issued a certificate of identity under section 6 or a revised certificate under sub-section (2) shall be entitled to change the first name in the birth certificate and all other official documents relating to the identity of such person:
Provided that such change in gender and the issue of revised certificate under sub-section (2) shall not affect the rights and entitlements of such person under this Act.