Sexual offences can be classified under four broad categories :
A. Natural Sexual Offences
1.Adultery
2.Incest
3.Rape
B. Unnatural Sexual Offences
1.Bestiality
2.Tribadism
3.Buccal Coitus
4.Sodomy
C. Sexual Paraphilias
1.Masturbation
2.Masochism
3.Sadism
4.Fetichism
5.Undinism
6.Exhibitionism
7.Necrophilia
8.Transvestism
9. Frotteurism
D. Sex- Linked Offences
1.Stalking
2.Voyeurism
3.Sexual Harassment
4.Trafficking
5.Indecent Assault