Prof. Bhattacharyya has published more than 350 research papers covering all major areas of NLP in top journals and conferences and has guided more than 300 students for their PhD, masters and undergraduate research. Automatic Sarcasm Detection, Multilingual Computation, Indian Language Neural Machine Translation and Indowordnet are some of his reearch trail blazers. His textbook ‘Machine Translation’ sheds light on all paradigms of machine translation with abundant examples from Indian Languages. Three monographs co-authored by him titled 'Investigations in Computational Sarcasm' (Springer, with Dr. Aditya Joshi), 'Cognitively Inspired Natural Language Processing- An Investigation Based on Eye Tracking' (Springer, with Dr. Abhijit Mishra) and 'Machine Translation and Transliteration of Low Resource Related Languages' (CRC Press Taylor and Francis group, with Dr. Anoop Kunchukuttan) describe cutting edge research in NLP and ML. Prof. Bhattacharyya has executed sponsored and consultancy projects for various ministries and top industries and startups, with amount running into tens of crores.