Penal Code
CHAPTER XX
OFFENCES RELATING TO MARRIAGE
Enticing or taking away or detaining with a criminal intent a
married woman.
498*. Whoever takes or entices away any woman who is and whom he
knows, or has reason to believe, to be the wife of any other man,
from that man, or from any person having the care of her on behalf
of that man, with intent that she may have illicit intercourse with
any person, or conceals, or detains, with that intent any such
woman, shall be punished with imprisonment for a term which may
extend to 2 years, or with fine, or with both.
it is ok for a woman to seduce a married man, but not ok for a
man to seduce a married woman.
That's SG law... 
