Section 66 in Indian Penal Codes
Title: Description of imprisonment for nonpayment of fine
The imprisonment which the Court imposes in default of payment of a fine may be of any description to which the offender might have been sentenced for the offence
Title: Imprisonment for nonpayment of fine when offence punishable with fine only
If the offence be punishable with fine only, 1[the imprisonment which the Court imposes in default of payment of the fine shall be simple, and] the term for which the Court directs the offender to be imprisoned, in default of payment of fine, shall not exceed the following scale, that is to say, for any term not exceeding two months when the amount of the fine shall not exceed fifty rupees, and for any term not exceeding four months when the amount shall not exceed one hundred rupees, and for any term not exceeding six months in any other case
Title: Imprisonment to terminate on payment of fine
The imprisonment which is imposed in default of payment of a fine shall terminate whenever that fine is either paid or levied by process of law.
Title: Termination of imprisonment on payment of proportional part of fine
If, before the expiration of the term of imprisonment fixed in default of payment, such a proportion of the fine be paid or levied that the term of imprisonment suffered in default of payment is not less than proportional to the part of the fine still unpaid, the imprisonment shall terminate. Illustration A is sentenced to a fine of one hundred rupees and to four months’ imprisonment in default of payment. Here, if seventy-five rupees of the fine be paid or levied before the expiration of one month of the imprisonment, A will be discharged as soon as the first month has expired. If seventy-five rupees be paid or levied at the time of the expiration of the first month, or at any later time while A continues in imprisonment, A will be immediately discharged. If fifty rupees of the fine be paid or levied before the expiration of two months of the imprisonment, A will be discharged as soon as the two months are completed. If fifty rupees be paid or levied at the time of the expiration of those two months, or at any later time while A continues in imprisonment, A will be immediately discharged.
Title: Fine leviable within six years or during imprisonment
Death not to discharge property from liability.—The fine, or any part thereof which remains unpaid, may be levied at any time within six years after the passing of the sentence, and if, under the sentence, the offender be liable to imprisonment for a longer period than six years, then at any time previous to the expiration of that period; and the death of the offender does not discharge from the liability any property which would, after his death, be legally liable for his debts