This document discusses the key aspects of a contract of guarantee under Indian contract law. It defines a contract of guarantee as one where a surety agrees to fulfill a principal debtor's obligations if they default. The document outlines the roles of the surety, principal debtor, and creditor. It also describes the essential elements of a valid contract of guarantee and notes that while the principal debtor must be competent, their incapacity does not invalidate the surety's obligations. The document distinguishes between specific guarantees for single transactions and continuing guarantees for multiple transactions, and provides examples of each.