We can generally say that the contract can be called as an agreement between two or more parties where they make some of our and some acceptance in that contract contract are enforceable by law which means that contract can be legally bound and a person can be sued for breaking the contract in the contract I offer can abstain or ask the accepted to do any act. Usually we can say offer acceptance and consideration is called as agreement but agreement which says having some legal obligation is considered as a contract.

There are many essentials for a contract to be considered as valid and they are as follows:

1. Offer and acceptance: this means that if a person offers some contract then the acceptor must accept is if only the contract is offered and accepted it can be considered as a valid contract with the acceptor agrees to pay and the office agrees to sell.
2. Consensus Ad idem: it refers to the identity of mind which means that if a person is not agreeing to the contract in the same since as conveyed when the disputes and measure to standings night arise that's why identity of mind between two person is necessary.
3. Free consent: a contract must be free from force or unwillingness one should give his willingness free of mind and no one should 4 sem fraud or Mishra present a contract version mistake and undue influence cannot be considered as a free consent when they are done and forcefully the acceptor is accepting the contract.
4. Contractual capacity: contractual capacity means the qualifications or qualities required by an offer or an accepted to make a valid contract for example only major scan enter into the contract with the person below 18 years cannot enter into the contract and also one must be stable and have a sound mind in order to enter into the contract and they should not be disqualified by law.
5. Lawful consideration: there must be an exchange of some consideration while making a contract acceptor cannot just accept the contract and in return can't stay quite instead he has to give some consideration as a cash for its worth this should not be bribed or the consideration should not be illegal. For example if a contract is taking place and the acceptor is giving the offer a bribe for or him to to give the contract to him then it cannot be considered as unlawful consideration as bribing is a legal act according to our Indian constitutional law.