NISCAIR is an institute that collects, publishes, and disseminates science and technology information in India. It was formed in 2002 by merging two existing institutes. NISCAIR operates under CSIR and its headquarters are in Delhi. It provides various services including a national science library with over 251,000 documents, a national digital science library for students, an online repository of research journals, and assigning ISSN numbers to Indian serials.