Step 1: Understanding Section 31.
Section 31 of the Specific Relief Act, 1963 deals with the cancellation of instruments. It allows a person to approach the court to have an instrument (like a deed or document) cancelled if it is void or voidable and may cause harm if left outstanding.
Step 2: Legal remedy.
The court may order the instrument to be delivered up and cancelled to prevent future misuse or injury to the person entitled to relief.
Step 3: Conclusion.
Hence, Section 31 of the Specific Relief Act, 1963 pertains to the cancellation of instruments.