Whoever, intending to insult the modesty of any woman, utters any words, makes any sound or gesture, or exhibits any object, intending that such word or sound shall be heard, or that such gesture or object shall be seen, by such woman, or intrudes upon the privacy of such woman, shall be punished with simple imprisonment for a term which may extend to three years, and also with fine.
IPC 498 – Enticing or taking away or detaining with criminal intent a married woman
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 of either description for a term which may extend to two years, or with fine, or with both.
IPC 497 – Adultery
Whoever has sexual intercourse with a person who is and whom he knows or has reason to believe to be the wife of another man, without the consent or connivance of that man, such sexual intercourse not amounting to the offence of rape, is guilty of the offence of adultery, and shall be punished with imprisonment of either description for a term which may extend to five years, or with fine, or with both. In such case the wife shall not be punishable as an abettor.
This provision was struck down as ultravires to Articles 14 and 21 of Constitution of India here
IPC 495 – Same offence with concealment of former marriage from person with whom subsequent marriage is contracted
Whoever commits the offence defined in the last preceding section having concealed from the person with whom the subsequent marriage is contracted, the fact of the former marriage, shall be punished with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.
IPC 494 – Marrying again during lifetime of husband or wife
Whoever, having a husband or wife living, marries in any case in which such marriage is void by reason of its taking place during the life of such husband or wife, shall be punished with imprisonment of either description for a term which may extend to seven years, and shall also be liable to fine.
Exception.—This section does not extend to any person whose marriage with such husband or wife has been declared void by a Court of competent jurisdiction, nor to any person who contracts a marriage during the life of a former husband or wife, if such husband or wife, at the time of the subsequent marriage, shall have been continually absent from such person for the space of seven years, and shall not have been heard of by such person as being alive within that time provided the person contracting such subsequent marriage shall, before such marriage takes place, inform the person with whom such marriage is contracted of the real state of facts so far as the same are within his or her knowledge.
The National Commission for Women Act 1990
Here is the NCW Act 1990.
Bunch of Notifications and Rules (not pertaining to Act but service conditions of members of this Commission!!!)
More mess is available here
IPC 354B – Assault or use of criminal force to woman with intent to disrobe
Any man who assaults or uses criminal force to any woman or abets such act with the intention of disrobing or compelling her to be naked, shall be punished with imprisonment of either description for a term which shall not be less than three years but which may extend to seven years, and shall also be liable to fine.
IPC 354A – Sexual harassment and punishment for sexual harassment
(1) A man committing any of the following acts—
(i) physical contact and advances involving unwelcome and explicit sexual overtures; or
(ii) a demand or request for sexual favours; or
(iii) showing pornography against the will of a woman; or
(iv) making sexually coloured remarks, shall be guilty of the offence of sexual harassment.
(2) Any man who commits the offence specified in clause (i) or clause (ii) or clause (iii) of sub-section (1) shall be punished with rigorous imprisonment for a term which may extend to three years, or with fine, or with both.
(3) Any man who commits the offence specified in clause (iv) of sub-section (1) shall be punished with imprisonment of either description for a term which may extend to one year, or with fine, or with both.
The Sexual Harassment of Women at Workplace (Prevention Prohibition and Redressal) Rules 2013
Here are the Rules framed under the Main Act here.
The Sexual Harassment of Women at Workplace (Prevention Prohibition and Redressal) Act 2013
Here is the Gender biased law that only protects women at workplaces. Also it has the Bill as passed by both House of Parliament along with Objects and Reasons
Related Rules are available here.