The National Library of India is a library located in Belvedere Estate, Alipore, Kolkata, India. It is India's largest library by volume and public record.The National Library is under Ministry of Culture, Government of India. The library is designated to collect, disseminate and preserve printed material produced within India. With a collection in excess of 2.2 million books and records, it is the largest in the country. Before independence, it was the official residence of Governor-General of India.