Rental agreements in India are often based on verbal understandings rather than formal paperwork. While such informal arrangements may offer flexibility to both landlords and tenants, they can also give rise to disputes over crucial aspects such as rent, security deposits, maintenance charges and the duration of the tenancy.

A written rent agreement helps eliminate these ambiguities by clearly defining the rights and obligations of both parties. But what happens if the terms need to be changed after the agreement has already been signed or even registered?It is possible to modify rent agreements even after registration, provided the changes are made legally with the mutual consent of the landlord and the tenant. According to Section 62 of the Indian Contract Act, 1872, the original contract need not be performed if the involved parties agree to substitute a new contract, revoke the original, or alter it.Generally, the procedure for modifying the agreement depends on the extent of the changes to be made. Minor modifications, such as changes in the rent amount, maintenance charges or specific conditions, can often be recorded through a written addendum or supplementary amendment agreement that refers to the original rent agreement. Such a document should clearly identify the clauses being amended and specify the date from which the changes will take effect.

Both parties should sign the document, and the applicable stamp duty and registration requirements should be complied with. All provisions of the original agreement that are not expressly amended generally continue to remain in force.However, it is advisable to prepare a fresh rent agreement in case of major changes, such as the revision of multiple clauses, transfer of tenancy rights, or alteration of the tenancy period.As per the Registration Act, 1908, registration of a tenancy agreement becomes mandatory if its term exceeds 12 months. For agreements below this duration, a verbal rent arrangement for residential purposes is generally treated as a month-to-month tenancy, allowing the landlord to legally revise the rent for the following month. A written rent agreement provides greater certainty and stability to both parties, while also allowing its terms to be modified later through mutual consent, if required.