A tall girl comes to OPD with history of primary amenorrhea. On examination, there is normal development  of breast, axillary and public hair is absent and there is presence of inguinal hernia. what is the probable diagnosis?
Testicular feminising syndrome / Androgen insensitivity syndrome :
Mutation in androgen receptor causes resistance to androgen action

Genotype is that of male,while phenotype is of female.
Vagina ends blindly in a pouch.
During puberty there is normal development of breasts, public and axillary hair absent and primary amenorrhea.
Undescended testis leads to bilateral inguinal hernia.
Complete gonadal dysgenesis
Meyer - Rokitansky syndrome
Androgen insensitivity syndrome
Congenital adrenal hyperplasia.