This document discusses several prominent scientific and technical libraries and information centers in India. It provides an overview of the objectives and services provided by the National Institute of Science Communication and Information Resources (NISCAIR), the National Social Science Documentation Centre (NASSDOC), the Defence Scientific Information and Documentation Centre (DESIDOC), the Council of Scientific and Industrial Research (CSIR), the Structural Engineering Research Centre (SERC), and the Indian Space Research Organisation (ISRO). Each organization collects, stores, and disseminates scientific and technical information to researchers and professionals in their respective fields.