IPC Sections
IPC Section 326 : Voluntarily causing grievous hurt by dangerous weapons or means
Whoever, except in the case provided for by section 335, voluntarily causes grievous hurt by means of any instrument for shooting, stabbing or cutting, or any instrument which, used as a weapon of offence, is likely to cause death, or by means of fire or any heated substance, or by means of any poison or any corrosive substance, or by means of any explosive substance, or by means of any substance which it is deleterious to the human body to inhale, to swallow, or to receive into the blood, or by means of any animal, shall be punished with imprisonment for life, or with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.
IPC Section 326-A : Voluntarily causing grievous hurt by use of acid, etc.
Whoever causes permanent or partial damage or deformity to, or bums or maims or disfigures or disables, any part or parts of the body of a person or causes grievous hurt by throwing acid on or by administering acid to that person, or by using any other means with the intention of causing or with the knowledge that he is likely to cause such injury or hurt, shall be punished with imprisonment of either description for a term which shall not be less than ten years but which may extend to imprisonment for life, and with fine;
 
Provided that such fine shall be just and reasonable to meet the medical expenses of the treatment of the victim;
 
Provided further that any fine imposed under this section shall be paid to the victim.

[i]  Inserted by Act 13 of 2013, S. 5 (w.e.f. 3-2-2013).
IPC Section 326-B : Voluntarily causing grievous hurt by use of acid, etc.
Whoever throws or attempts to throw acid on any person or attempts to administer acid to any person, or attempts to use any other means, with the intention of causing permanent or partial damage or deformity or bums or maiming or disfigurement or disability or grievous hurt to that person, shall be punished with imprisonment of either description for a term which shall not be less than five years but which may extend to seven years, and shall also be liahle to fine.
 
 
Explanations : 
 
  a) For the purposes of section 326A and this section, “acid” includes any substance which has acidic or corrosive character or burning nature, that is capable of causing bodily injury leading to scars or disfigurement or temporary or permanent disability.
 
  b) For the purposes of section 326A and this section, permanent or partial damage or deformity shall not be required to be irreversible.

Criminal Law (Amendment) Act, 2013
 
IPC Section 327 : Voluntarily causing hurt to extort property, or to constrain to an illegal act
Whoever voluntarily causes hurt, for the purpose of extorting from the sufferer, or from any person interested in the sufferer, any property or valuable security, or of constraining the sufferer or any person interested in such sufferer to do anything which is illegal or which may facilitate the commission of an offence, 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 Section 328 : Causing hurt by means of poison, etc., with intent to commit and offence
Whoever administers to or causes to be taken by any person any poison or any stupefying, intoxicating or unwholesome drug, or other thing with intent to cause hurt to such person, or with intent to commit or to facilitate the commission of an offence or knowing it to be likely that he will thereby cause hurt, 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 Section 329 : Voluntarily causing grievous hurt to extort property, or to constrain to an illegal act
Whoever voluntarily causes grievous hurt for the purpose of extorting from the sufferer or from any person interested in the sufferer any property or valuable security, or of constraining the sufferer or any person interested in such sufferer to do anything that is illegal or which may facilitate the commission of an offence, shall be punished with imprisonment for life, or imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.
IPC Section 330 : Voluntarily causing hurt to extort confession or to compel restoration of property
Whoever voluntarily causes hurt, for the purpose of extorting from the sufferer or from any person interested in the sufferer, any confession or any information which may lead to the detection of an offence or misconduct, or for the purpose of constraining the sufferer or any person interested in the sufferer to restore or to cause the restoration of any property or valuable security or to satisfy any claim or demand, or to give information which may lead to the restoration of any property or valuable security, shall be punished with imprisonment of either description for a term which may extend to seven years, and shall also be liable to fine.
 
 
Illustrations : 
 
 a) A, a police-officer, tortures Z in order to induce Z to confess that he committed a crime. A is guily of an offence under this section.
 
 b) A, a police-officer, tortures B to induce him to point out where certain stolen property is deposited. A is guilty of an offence under this section.
 
 c) A, a revenue officer, tortures z in order to compel him to pay certain arrears of revenue due from Z. A is guilty of an offence under this section.
 
 d) A, a zamindar, tortures a raiyat in order to compel him to pay his rent. A is guilty of an offence under this section.
IPC Section 331 : Voluntarily causing grievous hurt to extort confession, or to compel restoration of property
Whoever voluntarily causes grievous hurt for the purpose of extorting from the sufferer or from any person interested in the sufferer any confession or any information which may lead to the detection of an offence or misconduct, or for the purpose of constraining the sufferer or any person interested in the sufferer to restore or to cause the restoration of any property or valuable security, or to satisfy any claim or demand or to give information which may lead to the restoration of any property or valuable security 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 Section 332 : Voluntarily causing hurt to deter public servant from his duty
Whoever voluntarily causes hurt to any person being a public servant in the discharge of his duty as such public servant, or with intent to prevent or deter that person or any other public servant from discharging his duty as such public servant, or in consequence of anything done or attempted to be done by that person in the lawful discharge of his duty as such public servant, shall be punished with imprisonment of either description for a term which may extend to three years, or with fine, or with both.
IPC Section 333 : Voluntarily causing grievous hurt to deter public servant from his duty
Whoever voluntarily causes grievous hurt to any person being a public servant in the discharge of his duty as such public servant, or with intent to prevent or deter that person or any other public servant from discharging his duty as such public servant, or in consequence of anything done or attempted to be done by that person in the lawful discharge of his duty as such public servant, shall be punished with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.