Sexual Offenses: Definitions, Categories, and Laws
Jun 28, 2024

There are four types of sexual offenses. They are:
- Natural (peno-vaginal route)
- Unnatural (non peno-vaginal route)
- Sexual perversions (Paraphilia)
- Sex-linked offenses (voyeurism, stalking)
This blog has all the information regarding sexual offenses and the various IPCs that make them a punishable offense in India.

01. Natural
- Rape
- Forceful sexual act.
- Incest
- A sexual relationship between blood relations
- Not a crime in India
- No IPC for Incest
- 3 complexes
- Electra: Daughter and father (D E F)
- Oedipus: Son and Mother (O+O)
- Pharaon: Brother and sister
- Adultery
- Extramarital affairs.
- Decriminalized in India.
- Civil case
- Strong ground for divorce
02. Unnatural - IPC 377 (Unnatural)
- Anal/ Greek love/ Sodomy/ Buggery
- It can be between male-male and male-female.
- Active agent (adult) - Pederast
- Passive agent
- Child - Catamite (Pedarasty)
- Old - Gerontophilia
- Oral/ Mouth/ Coitus per os/ Sin of Gomorrah
- Mainly done with child
- Fellatio - Oral stimulation of male genitalia
- Cunnilingus - Oral stimulation of female genitalia
- Animal sex/ Bestiality
- Lower animals are involved.
- Usually, human sperm is found inside animals.
- Lesbianism/ Sapphism/ Tribadism
- Active agent - Butch/ Dyke
- Passive agent - Femme
Punishment Under 377 IPC
- Minimum 10 years
- Punishment is given only when no consent is given.
- Punishment is inevitable if minors (<18 years) are involved.
Medical Examination in Sodomy
- Active agent: Same as rape cases.
- Passive agent: Knee-Elbow Position (Anal canal/ Rectal canal/ Perianal area)
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Non-Habitual Passive Agent |
Habitual Passive Agent |
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Rape
Forceful Sexual Act is Punishable Under Section 375, 376 IPC
- Both natural and unnatural
- 375 - Definition
- 376 - Punishment
Definition - IPC 375
- A man is said to commit rape if he penetrates his penis or penis-like object/ body part,
- Vagina
- Oral cavity
- Anal canal
- Urethra
Conditions
- Against her will
- Without her consent (will)
- With her consent if the consent is obtained by putting her in fear of death or hurt.
- Impersonation (as husband)/ fraud (telling unmarried for consent, even if married)
- Intoxication/ insane (influence of drug or alcohol) - 90 IPC discussed in Forensic Psychiatry
- With or without her consent when she is under 18 years of age.
- Unable to communicate the consent.
Even if a girl gives consent below 18 years, it is known as statutory rape.
The Quick Pills
- The slightest penetration of the penis within the vulva (labia majora) or other, with or without emission of semen or rupture of hymen, constitutes rape.
- Hymen rupture can never decide a rape.
- Under the law, rape can only be committed by a man, and a woman cannot rape a man (except in France, where even a female can be charged with rape)
- Females can be charged with gang rape.
- In India, there is no age limit under which a boy is considered physically incapable of committing rape.
- The minimum age for giving consent for sex is 18 years.
- Medical proof of intercourse is not legal proof of rape.
- Medical interventions with consent are not rape.
- POCSO Act - Protection of Child against Sexual Offense (applicable if a <18 years is involved)
Punishment of Rape - IPC 376
- Subsection-1
- She was punished with rigorous imprisonment for a term which shall not be <7 years.
- It may extend up to 10 years or life imprisonment.
- Also, be liable to a fine.
- Subsection-2
- For the serious form of rape as described below.
- Punished with rigorous imprisonment for a term which shall not be <10 years.
- It may extend up to life imprisonment.
- This punishment is for rape by a
- Police officer (police custody)
- Member of armed forces
- Management or staff of the jail
- Management or staff of the hospital
- Relative
- Guardian
- Teacher
- Communal violence
- Rape on,
- Pregnant women
- Insane people with physical or mental disabilities
- People who are incapable of giving consent
- <18 years
- Committed rape repeatedly.
- Causing grievous bodily harm or endangering life.
- Subsection-3
- Girl <16 years
- A minimum of 20 years imprisonment can extend up to natural life imprisonment.
Extensions in IPC 376
- Made after the Nirbhaya case
| Extensions | Imprisonment | Description |
| IPC 376 A - COMA | Life imprisonmentSentence to death | Inflicts an injury that causes the death of the woman or causes the woman to be in a persistent vegetative state. |
| IPC 376 B - Bride during separation | 2 to 7 years | Sexual intercourse with his wife, who is living separately, whether a decree of separation or without her consent. |
| IPC 376 C - Authority | 5 to 7 years | Authority or in a fiduciary relationship, public servant, superintendent or manager of a jail, remand home, or hospital who abuses such position and induces or seduces any woman in his custody to have sexual intercourse with him which is not amounting to the offense of rape. |
| IPC 376 D - Two (Do) or more | 20 yearsLife imprisonment | Rape by one or more persons (gang rape) |
| IPC 376 E - Excessive severe/ Repeat offense | Life imprisonmentSentence to death | Repeat offense under any of the above-said sections by the same person previously convicted. |
Major Changes Promised in Criminal Law (Amendment) Act, 2018

SAFE Kit - Sexual Assault Forensic Evidence Kit
- It is used for both the victim and the accused.
- Contents
- Bags and sheets for evidence collection.
- Swabs for collecting fluids from the,
- Lips
- Cheeks
- Thighs
- Vagina
- Anus
- Buttocks
- Clear glass slides
- Self-sealing envelopes for preserving the victims.
- Clothes
- Head hair
- Pubic hair
- Blood samples
- Nail pick for scraping debris from beneath the nails
- White sheets to catch physical evidence stripped from the body
- Documentation forms
- Labels
- Sterile water and saline
03. Sexual Perversions
- Sexual perversions are also known as Paraphilia
- Abnormal acts to get sexual gratification.
- No sex
Types of Sexual Perversions are:
- Sadism/ algolagnia: Getting satisfied by giving pain to a partner.
- Masochism/passive algolagnia: Getting satisfied by receiving pain from a partner.
- Bondage: sadism + masochism
- Lust murder: Murder serves as a stimulus for a sexual act
- Urolagnia/Undinism/urophilia: Urine smell or touch and sight
- Uranism: Sexual gratification by fingering, fondling, licking, and sucking of the genitalia of opposite sex.
- Coprophilia: Fecal smell and touch
- Sexual oralism
- Fellatio: Oral stimulation of male genitalia
- Cunnilingus: Oral stimulation of female genitalia
- Exhibitionism
- Showing private parts
- Punishable for 3 months under 294 IPC
- It has the following,
- Steaking: Running naked in a public place
- Mooning: Showing the bare buttocks (Mnemonic: Moon is just like buttocks)
- Flashing: Momentarily exposing body parts by quickly moving the clothing
- Necrophilia and Necrophagia
- Necrophilia: Sex with a dead body
- Necrophagia: Eating dead body parts.
- Punishable under 297 IPC up to 1 year
- Transvestism
- Another name: Eonism
- Common in male
- Wearing clothes of the opposite sex
- Fatichism
- Common in male
- Satisfied with inanimate objects (bra and underpants) of the opposite sex.
- Voyeurism/ Scoptophilia/ Peeping Tom
- Comes under 354C IPC (C for Seeing a Girl)
- Watching the removal of clothes by a girl
- Watching match girl take a bath.
- Mixoscopia: A type of voyeurism in which sexual gratification is obtained by the sight of others engaged in sex.
- Frotteurism
- Punishable under 290 IPC for 3 months
- Rubbing private parts against a female's buttocks or thigh
- Masturbation/ Onanism/ Ipsation
- Self-stimulation of genitalia.
- Punishable under 290 IPC if done in public.
- Coprolalia: Obscene language
- Scatalogia: Obscene telephone calls.
- Partialism: Sexual interest in a specific body part other than genitalia.
- Klismaphilia: Sexual gratification by enema
- Ecouterism: Listening to the sounds associated with sexual intercourse.
- Nymphomania: Excessive sexual desire in females.
- Satyriasis: Increased sexual desire in males.
- Dippoldism
- Dippold, a German schoolmaster
- Teacher beating a student for sexual satisfaction.
- Gerontophilia: Sex with old
- Pedophilia: Sex with child
- Narratophilia: Sexual stimulation by reading erotic material.
- Somnophilia: Sexual arousal by a stranger who is asleep.
- Pyromania: Sexually satisfied by setting fire.
- Playing the bagpipes: Having intercourse under the armpits.
- Trollism: Intercourse between three people
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01. Natural
02. Unnatural - IPC 377 (Unnatural)
Punishment Under 377 IPC
Medical Examination in Sodomy
Rape
Forceful Sexual Act is Punishable Under Section 375, 376 IPC
Definition - IPC 375
Conditions
The Quick Pills
Punishment of Rape - IPC 376
Extensions in IPC 376
Major Changes Promised in Criminal Law (Amendment) Act, 2018
SAFE Kit - Sexual Assault Forensic Evidence Kit
03. Sexual Perversions
Types of Sexual Perversions are:
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