law: Pre-Natal Diagnostic Techniques (Regulation and Prevention of Misuse) Act, 1994
  5. Written consent of pregnant woman and
  
  prohibition of communicating the sex of fetus
  (1) No person referred to in clause (2) of
  
  section 3 shall conduct the pre-natal diagnostic procedures unless-
  (a) he has explained
  
  all known side and after effects of such procedures to the pregnant woman concerned;
  (b) he has obtained in
  
  the prescribed form her written consent to undergo such procedures in the
  
  language which she understands; and
  (c) a copy of her
  
  written consent obtained under clause (b) is given to the pregnant woman.
  (2) No person conducting pre-natal diagnostic
  
  procedures shall communicate to the pregnant woman concerned or her relatives
  
  the sex of the fetus by words, signs or in any other manner.