This document provides an overview of the insurance sector in India. It discusses what insurance is, the need for insurance, principles of insurance, types of insurance services, reinsurance, double insurance, key public insurance companies like LIC and GIC, and the IRDA Act which established the regulatory authority for insurance in India. The oldest existing insurance company is National Insurance which was founded in 1906. The LIC and GIC were established to widespread insurance coverage, especially in rural areas.