What is Communication & modes of Communication under the Indian Contract Act?
According to Section 2(h) of the Indian Contract Act 1872, An agreement enforceable by law is a contract. Before a contract comes into existence the promisor has to signify his willingness and a promise has to signify his assent. It, therefore, becomes necessary to explain what is meant by such signification and what should be the mode of the same.
To bring into notice the willingness or assent of the parties to enter into a contract one needs to communicate. This mode of communication can be postal or instantaneous. Section 3 of the Indian Contract Act states that communication can

