Agreements Contracts

Types of Agreements Contracts: A Complete Guide for Businesses

5 min readIndia LawBy G R HariVerified Advocate

Quick Answer

> One line summary: Understanding the different types of agreements contracts helps businesses choose the right legal framework for transactions, reduce disputes, and comply with Indian contract law.

What are the main types of agreements contracts under Indian law?

Under the Indian Contract Act, 1872, agreements contracts are primarily classified into valid contracts, void agreements, voidable contracts, and unenforceable contracts. A valid contract requires offer, acceptance, lawful consideration, capacity of parties, free consent, and a lawful object. If any of these elements is missing, the agreement may fall into another category.

Void agreements are those not enforceable by law from the beginning, such as agreements in restraint of trade or marriage (Sections 24-30 of the Act). Voidable contracts, under Section 19, are enforceable at the option of one party whose consent was obtained by coercion, undue influence, fraud, or misrepresentation. Unenforceable contracts are valid but cannot be enforced due to a technical defect, like lack of proper stamping or registration.

Businesses must also distinguish between express contracts (terms stated in words) and implied contracts (terms inferred from conduct). For example, ordering goods from a supplier creates an implied contract to pay, even without a written document. Understanding these classifications helps in drafting and enforcing business agreements.

How are contracts classified based on formation?

Contracts are classified into three types based on how they are formed: express contracts, implied contracts, and quasi-contracts. Express contracts have terms explicitly stated in writing or orally. Most commercial agreements, such as sale deeds or service agreements, fall under this category.

Implied contracts arise from the conduct of parties or circumstances. For instance, if a customer sits in a restaurant and eats food, an implied contract exists to pay for the meal. Section 9 of the Indian Contract Act recognizes both express and implied contracts.

Quasi-contracts are not true contracts but are created by law to prevent unjust enrichment. Sections 68-72 of the Act cover situations where one party receives a benefit and must compensate the other, even without an agreement. For example, if goods are delivered by mistake to a wrong person, that person must return them or pay their value. Businesses should be aware that quasi-contractual obligations can arise unexpectedly.

What are the different types of contracts based on performance?

Based on performance, contracts are classified as executed contracts, executory contracts, unilateral contracts, and bilateral contracts. An executed contract is one where both parties have fully performed their obligations. For example, a cash sale where goods are delivered and payment is made immediately.

An executory contract has one or both parties yet to perform their obligations. Most business agreements, such as a construction contract where payment is due after completion, are executory until fully performed. Section 51 of the Act deals with reciprocal promises and performance.

Unilateral contracts involve a promise in exchange for an act, while bilateral contracts involve mutual promises. A reward offer (e.g., "Rs. 5,000 for returning lost dog") is unilateral—only the offeror is bound until the act is done. Most commercial contracts are bilateral, with both parties exchanging promises. Understanding this distinction helps in determining when obligations arise and when breach occurs.

How are contracts classified based on validity and enforceability?

Contracts are classified based on validity into valid, void, voidable, illegal, and unenforceable contracts. A valid contract meets all requirements under Sections 10-30 of the Indian Contract Act. Void agreements are not enforceable, such as agreements without consideration (Section 25) or agreements with unlawful objects (Section 23).

Voidable contracts, under Section 19, remain enforceable until the aggrieved party chooses to rescind them. For example, a contract induced by fraud is voidable at the option of the defrauded party. Illegal contracts are those involving unlawful acts, like gambling or smuggling, and are void ab initio. No rights arise from illegal contracts.

Unenforceable contracts are valid but cannot be enforced due to procedural defects. For instance, a sale agreement for immovable property without proper stamping under the Indian Stamp Act, 1899, is unenforceable. Businesses must ensure all contracts are properly stamped and registered where required, especially for property transactions.

What are the common types of commercial contracts businesses use?

Businesses commonly use several types of contracts: sale of goods contracts, service agreements, partnership deeds, employment contracts, and non-disclosure agreements. A sale of goods contract is governed by the Sale of Goods Act, 1930, and covers transfer of ownership for a price. It must specify goods, price, delivery terms, and warranties.

Service agreements define the scope of work, payment terms, and duration. Under the Indian Contract Act, these must have clear terms to avoid disputes. Partnership deeds, governed by the Indian Partnership Act, 1932, outline profit sharing, capital contributions, and dissolution procedures. Employment contracts cover salary, duties, termination, and confidentiality.

Non-disclosure agreements (NDAs) protect confidential information and are enforceable if they have reasonable scope and duration. Other common types include lease agreements, franchise agreements, and indemnity contracts. Each type has specific legal requirements, and businesses should consult relevant statutes like the Transfer of Property Act, 1882 for leases, or the Specific Relief Act, 1963 for injunctions.

What You Should Do Next

Review your existing business agreements to ensure they fall under the correct classification and meet legal requirements. If you are drafting or entering into a contract, consult a qualified legal professional to verify compliance with the Indian Contract Act, 1872, and other applicable laws.


This page provides preliminary information. It is not legal advice. For your matter, consult a qualified professional.

Related Agreements Contracts Services

Employment Agreement

Drafting and review of Employment Agreement India for employers and employees. Covers key clauses, legal compliance, and documentation under Indian contract law.

Founders Agreement

Get a Founders Agreement in India to define roles, equity, and decision-making. Legal documentation for startups. Avoid disputes with a clear founders' contract.

Franchise Agreement

Get a legally sound Franchise Agreement in India. Our advocates draft and review franchise documents under Indian contract law. Protect your business today.

Gift Deed

Learn about Gift Deed India: legal requirements, registration process, stamp duty, and documentation. Get expert guidance from Indian family-law advocates.

Joint Venture Agreement

Drafting and reviewing Joint Venture Agreement India for businesses. Legal documentation under Indian Contract Act. Ensure compliance and protect interests.

Memorandum of Understanding (MoU)

Learn about Memorandum of Understanding (MoU) in India: legal enforceability, key clauses, drafting tips, and documentation process. Essential for business agreements.

Non-Disclosure Agreement (NDA)

Get a Non-Disclosure Agreement (NDA) in India drafted by an advocate. Protect confidential business information. Legal & Documentation service under Indian Contract Act.

Power of Attorney

Learn about Power of Attorney India: types, registration, revocation, and legal requirements. Get expert documentation assistance from our family-law firm.

Rental Agreement

Get a legally valid rental agreement in India. Understand the process, key clauses, and registration requirements under the Indian Registration Act, 1908.

Sale Deed

Learn about Sale Deed India: legal requirements, registration process, and documentation. Get expert guidance for property sale deeds under Indian law.

Service Level Agreement (SLA)

Drafting and reviewing Service Level Agreements (SLA) in India. Understand key clauses, governing laws, and documentation requirements for enforceable SLAs.

Share Purchase Agreement

Get a Share Purchase Agreement in India drafted by experienced lawyers. Covers due diligence, representations, warranties, and indemnities under Indian contract law.

Shareholders Agreement

Draft a Shareholders Agreement India for your company. Legal & Documentation services for shareholder rights, dispute resolution, and exit clauses under Indian law.

Vendor Agreement

Get a legally sound Vendor Agreement in India. Our advocates draft and review vendor contracts covering scope, payment, IP, and dispute resolution under Indian Contract Act.