Synopsis The paper deals with a comprehensive account of the neuropteran fauna of North-East India. The systematic account of the neuropteran fauna has brought to light the existence of 128 species in 69 genera and 11 families under the two suborders, Megaloptera and Planipennia. Out of these 128 species, material of 88 species could be examined and the rest have been reviewed from literature as even with best efforts, it was not possible to have a glimpse of the species. In addition to systematic account, external morphology and terminology of Neuroptera, historical resume, topography, climate and vegetation of North-East India, classification, economic importance of the group, geographical distribution and seasonal occurrence of Neuroptera have been included. Running keys to all the taxa examined, illustrations pertaining to majority of species and relevant references have also been provided."