Starting a manufacturing business in India involves more than setting up machinery and hiring workers. One of the most important legal requirements is obtaining a Factory License. This license authorizes eligible factories to operate legally while ensuring they meet safety, health, and welfare standards prescribed by the government. Whether you own a food processing unit, engineering workshop, pharmaceutical plant, textile factory, or plastic manufacturing unit, factory license registration is an essential compliance requirement. Failure to obtain or renew the license on time can result in penalties, legal notices, or suspension of operations. This article explains everything you need to know about Factory License Registration, Factory License Renewal, eligibility, required documents, registration process, and important compliance requirements in simple language.