Zoological Survey of India (ZSI), under the Ministry of Environment, Forest and Climate Change, Government of India has been documenting the faunal diversity of Indian subcontinent since 1916. The faunal collections of ZSI is termed as National Zoological Collections (NZC) is housed at its headquarters in Kolkata and sixteen Regional Centers located in all biogeographic regions of India. The Type and voucher specimens of fauna of India and neighbouring countries are the scientific heritage of humanity and provide an invaluable knowledge service to understand natural world. This digital archive of NZC is created to spread the knowledge of taxonomy and to promote the conservation and sustainable use of biodiversity. This archive is dedicated to the nation to mark the centenary celebrations of ZSI in 2016.