IPC-Sec 377 "Brother John Antony v. State 1992 CRI. L. J. 1352 Acts alleged against accused falling into two categories (1) Sexual intercourse per OS (mouth) and (2) manipulation and movement of penis of accused whilst being held by victims in such way as to create orifice like thing for making manipulated movement of insertion and withdrawal till ejaculation of semen. Both categories of acts fall within sweep of unnatural carnal offences. "SODOMY : Non coital carnal copulation with a member of the same or opposite sex, e.g., per anus or per os (mouth). BUGGERY : Intercourse per anux by a man with a man or woman; or intercourse per anux or per vaginam by a man or a woman with an animal. BESTIALITY : Sexual intercourse by a human being with a lower animal. TRIBADISM : Friction of the external genital organs by one woman on another by mutual bodily contact for the gratification of the sexual desire. SADISM : A form of sexual perversion in which the infliction of pain and torture act as sexual stimulants. MASOCHISM : Opposite of sadism and sexual gratification is sought from the desire to be beaten , tormented or humiliated by one's sexual partner. FETICHISM : Experiencing sexual excitement leading to orgasm from some part of the body of a woman or some article belonging to her. EXHIBITIONISM : Exposure of genital organs in Public." Section 377, IPC de hors the Explanation appended to it consists of the following ingredients:- "(1) A person accused of this offence had carnal intercourse with man woman or animal; (2) Such intercourse was against the order of nature; and (3) Such act by the person accused of the offence was done voluntarily."