Services for Self-Publisher& Publishers

International Standard Numbers are unique identifiers for books and serials. They are used internationally across publication trades and the library sector.  You need a separate ISBN for each format of the same work, such as: hardcover, paperback, e-book, audio-book, etc.

You don't need an ISBN to make the book copyrighted - it already is. However, having an ISBN is a good way to help databases track the existence and sales of your book, so it's probably good to have one even 

Apply for

ISBN

Apply for an International Standard Book Number through the Raja Rammohun Roy National Agency for ISBN.

ISSN

Apply for an International Standard Serial Number through the National Science Library, NIScPR (erstwhile NISCAIR), New Delhi is one of a network of over 89 national centres worldwide.

The Delivery of Books Act 1954

The Delivery of Books Act 1954 enacted by the Indian parliament regulates the deposit of books published in India to the National Library of India, Kolkata and three other libraries namely, Connemara Public Library, Chennai; Central Library, Mumbai and the Delhi Public Library. The Act was amended in 1956 to include periodicals and newspapers. The Indian National Bibliography is compiled on the receipt of books received under Delivery of Books Act at the National Library, Kolkata.