Section 320. Grievous hurt.
The following kinds of hurt only are designated as “grievous”:—
Secondly.—Permanent privation of the sight of either eye.
Thirdly.— Permanent privation of the hearing of either ear,
Fourthly.—Privation of any member or joint.
Fifthly.— Destruction or permanent impairing of the powers of any member or joint.
Sixthly.— Permanent disfiguration of the head or face.
Seventhly.—Fracture or dislocation of a bone or tooth.
Eighthly.—Any hurt which endangers life or which causes the sufferer to be during the space of twenty days in severe bodily pain, or unable to follow his ordinary pursuits.
The act of squeezing the testicles of a person would be an offence of causing grievous hurt; State of Karnataka v. Shivalingaiah, (1988) Cr LJ 394: AIR 1988 SC 115.
and the punishment for this offence is
Section 325. Punishment for voluntarily causing grievous hurt
Whoever, except in the case provided for by section 335, voluntarily causes grievous hurt, shall be punished with imprisonment of either descripttion for a term which may extend to seven years, and shall also be liable to fine.
CLASSIFICATION OF OFFENCE
Punishment—Imprisonment for 7 years, and fine—Cognizable—Bailable—Triable by any Magistrate—Compoundable by the person to whom hurt is caused with the permission of the court.