Discharge of Surety Under the Indian Contract Act, 1872

Introduction

Discharge of surety is an important concept under the Indian Contract Act, 1872. A surety is a person who guarantees the performance of a promise or the discharge of another person’s liability in case of default. Although the surety’s liability is generally co-extensive with that of the principal debtor, the law recognises certain circumstances in which the surety may be released from liability.

The principal provisions governing discharge of surety are Sections 133 to 141 of the Indian Contract Act, 1872. These provisions address situations such as variation of the original contract, release of the principal debtor, agreements to give time, creditor’s conduct affecting the surety’s remedies and loss of securities.

Meaning of Discharge of Surety

Discharge of surety means the release of a surety from liability under a contract of guarantee, either wholly or to the extent recognised by law.

Under Section 128 of the Indian Contract Act, 1872, the liability of a surety is co-extensive with that of the principal debtor unless the contract provides otherwise. However, Sections 133 to 141 provide specific protections that may discharge the surety in particular circumstances.

Example: A guarantees repayment of a loan taken by B from a bank. If the bank subsequently changes the terms of the underlying contract without A’s consent, Section 133 may discharge A from liability for transactions subsequent to that variation.

Discharge does not automatically occur whenever a creditor takes action or delays recovery. The applicable statutory provision, the terms of the guarantee and the facts of the transaction determine whether the surety is discharged.

Grounds for Discharge

1. Variation of Contract

Section 133 provides that any variation made without the surety’s consent in the terms of the contract between the principal debtor and the creditor discharges the surety as to transactions subsequent to the variation.

The provision protects the surety from being held liable for obligations materially different from those originally guaranteed without consent.

Example: A guarantees repayment of a loan under agreed terms. The creditor and principal debtor subsequently change the contractual arrangement without A’s consent. If the change amounts to a variation within Section 133, A may be discharged from liability for subsequent transactions covered by the variation.

The effect depends on the nature of the variation and the scope of the guarantee. It should not be assumed that every change in a lending arrangement automatically discharges the surety from all liability.

2. Release of Principal Debtor

Section 134 provides that a surety is discharged when the creditor releases or discharges the principal debtor through a contract, or through an act or omission whose legal consequence is the discharge of the principal debtor.

The principle is that where the principal debtor’s liability is legally extinguished in the circumstances specified by the section, the surety may also be discharged.

Example: A guarantees payment for goods supplied by C to B. C subsequently enters into an agreement with B releasing B from the debt. If the agreement legally discharges B within Section 134, A is also discharged from the guarantee.

3. Giving Time to Principal Debtor

Section 135 provides that a contract between the creditor and the principal debtor under which the creditor agrees to accept a composition, give time to the principal debtor or not sue the principal debtor discharges the surety, unless the surety assents to that contract.

A composition is an agreement under which the creditor accepts an agreed arrangement for settling the debt, often involving payment of a reduced amount or payment on specified terms.

Example: A guarantees B’s loan. The bank enters into a binding agreement with B to extend the repayment period without A’s consent. If the agreement falls within Section 135, A may be discharged from liability.

The provision concerns a binding agreement of the kind specified in the section, not merely an informal discussion about extending time.

4. Agreement With a Third Person

Section 136 provides that a surety is not discharged when the creditor makes an agreement to give time to the principal debtor with a third person rather than with the principal debtor.

This distinction is important because the statutory discharge under Section 135 is directed at the specified agreement between the creditor and principal debtor.

Example: A guarantees B’s debt to C. C enters into an agreement with D, a third person, to give B additional time to pay. A is not discharged merely because of that agreement.

5. Forbearance to Sue

Section 137 provides that mere forbearance by the creditor to sue the principal debtor or enforce another remedy does not discharge the surety, unless the guarantee contains a provision to the contrary.

Forbearance means delaying or refraining from taking legal action.

Example: B owes money to C, and A guarantees the debt. C waits for one year after the debt becomes due before filing a recovery suit. A is not discharged merely because C delayed taking legal action.

This provision distinguishes mere delay from a binding agreement to give time under Section 135.

6. Release of One Co-Surety

Section 138 provides that releasing one co-surety does not discharge the other co-sureties. It also preserves the responsibility of the released surety towards the other sureties.

Co-sureties are two or more persons who guarantee the same debt or duty.

Example: A, B and C guarantee the same loan. The creditor releases A from the guarantee. B and C are not automatically discharged merely because A has been released.

The rights and contribution obligations of co-sureties must be considered separately under the applicable provisions.

7. Impairment of Surety’s Remedy

Section 139 provides that a surety is discharged if the creditor does an act inconsistent with the surety’s rights, or omits to perform a duty owed to the surety, and the surety’s eventual remedy against the principal debtor is thereby impaired.

The provision protects the surety’s ability to seek recovery from the principal debtor after discharging the guaranteed liability.

Example: A guarantees B’s obligation to C. C acts in a manner that destroys an important recovery remedy otherwise available to A against B. If the requirements of Section 139 are satisfied, A may be discharged.

The surety must establish the relevant conduct and impairment of the eventual remedy; every act or omission by the creditor does not automatically attract this section.

8. Payment or Performance by Surety

Section 140 deals with the rights of the surety after payment or performance. When the guaranteed debt becomes due, or the principal debtor defaults in performing the guaranteed duty, the surety who pays or performs all that the surety is liable for becomes entitled to the creditor’s rights against the principal debtor.

This is the right of subrogation. It does not operate in the same way as discharge before payment; instead, it allows the surety to pursue the principal debtor after fulfilling the guaranteed obligation.

Example: A guarantees B’s debt to C and pays the amount legally due under the guarantee. A may exercise the relevant rights that C held against B, subject to applicable law.

9. Loss of Securities

Section 141 entitles a surety to the benefit of every security held by the creditor against the principal debtor when the contract of suretyship is entered into, whether or not the surety knows about the security.

If the creditor loses or parts with such security without the surety’s consent, the surety is discharged to the extent of the value of the security lost or surrendered.

Example: A guarantees B’s loan, and the bank holds pledged goods as security. If the bank loses those goods through conduct attracting Section 141, A may be discharged to the extent of their value.

The provision is important because the surety should not lose the benefit of security that would otherwise have been available to support recovery.

Important Case Laws

Amrit Lal Goverdhan Lalan v. State Bank of Travancore

Citation: AIR 1968 SC 1432; (1968) 3 SCR 724.

The Supreme Court considered the protection available to a surety under Section 141. The case is important for the principle that a surety is entitled to the benefit of securities held by the creditor and may be discharged to the extent of the value of security lost or surrendered without consent in circumstances covered by the provision.

Bhagyalaxmi Co-operative Bank Ltd. v. Babaldas Amtharam Patel

Citation: 2026 INSC 205.

The Supreme Court considered the discharge of sureties under Sections 133 and 139 in the context of a bank’s lending arrangement. The decision addressed the effect of changes to the original lending terms and the extent to which a surety could be held liable for additional amounts not covered by the original undertaking.

The case highlights the importance of the surety’s consent and the precise terms of the guarantee. A surety’s liability cannot automatically be extended to materially different obligations merely because the principal debtor subsequently incurs additional liabilities.

Discharge vs Revocation

Basis	Discharge of Surety	Revocation of Guarantee
Meaning	Release from liability under recognised legal circumstances	Withdrawal of a continuing guarantee for future transactions
Main provisions	Sections 133–141	Sections 130–131
Common grounds	Variation, release of debtor, impairment of remedies or loss of security	Notice by surety or death of surety
Effect	Depends on the particular statutory ground	Generally affects future transactions
Existing liability	May be wholly or partly affected under the applicable provision	Liability from earlier covered transactions generally remains

Key Points for Exams

• Section 128 establishes the general rule that the surety’s liability is co-extensive with that of the principal debtor unless the contract provides otherwise.
• Section 133 deals with unauthorised variation of the contract.
• Section 134 deals with release or discharge of the principal debtor.
• Section 135 addresses certain agreements to compound, give time or not sue the principal debtor.
• Section 136 states that an agreement to give time made with a third person does not discharge the surety.
• Section 137 provides that mere forbearance to sue does not discharge the surety.
• Section 138 protects the liability of other co-sureties when one co-surety is released.
• Section 139 addresses acts or omissions that impair the surety’s eventual remedy.
• Section 140 provides for subrogation after payment or performance.
• Section 141 protects the surety’s right to the benefit of the creditor’s securities.

Conclusion

Discharge of surety under the Indian Contract Act, 1872, protects a surety against specified changes in the contractual relationship and conduct that affects the surety’s legal position. Sections 133 to 141 establish the principal rules governing variation of contract, release of the principal debtor, agreements to give time, impairment of remedies and loss of securities.

The effect of discharge depends on the relevant provision and the facts of the case. Some circumstances may discharge the surety from liability for subsequent transactions, while others may affect liability wholly or only to a particular extent. Understanding these distinctions is essential for interpreting contracts of guarantee and determining the rights of creditors, principal debtors and sureties.

FAQs

Which section deals with discharge of surety?

Sections 133 to 141 of the Indian Contract Act, 1872, contain the principal provisions concerning discharge of surety and related rights.

Does variation of a contract discharge a surety?

Under Section 133, a variation made without the surety’s consent discharges the surety as to transactions subsequent to the variation, subject to the facts and scope of the guarantee.

Does giving time to the principal debtor discharge the surety?

A binding agreement between the creditor and principal debtor to give time may discharge the surety under Section 135 unless the surety assents. Mere forbearance to sue does not discharge the surety under Section 137.

Does release of one co-surety discharge the others?

No. Section 138 provides that releasing one co-surety does not discharge the other co-sureties.

Can loss of security discharge a surety?

Yes. Under Section 141, a surety may be discharged to the extent of the value of security lost or surrendered by the creditor without the surety’s consent.