Punyajoy Saha

PhD student

IIT Kharagpur


Punyajoy Saha is a PhD student at CNeRG Lab in the Department of Computer Science and Engineering at IIT Kharagpur, West Bengal. Currently, he is doing research in the area of social computing and natural language processing domain under the supervision of Prof. Animesh Mukherjee. Apart from research, he also loves playing guitar and writing short stories.

Reviewer assignment - AAAI 2021, ACL 2020, ACL-IJCNLP 2021, EACL 2021


  • Natural Language Processing
  • Social Computing
  • Machine Learning
  • Data Science


  • PhD in Computer Science and Engineering, 2020 - Present

    Indian Institute of Kharagpur,West Bengal

  • B.Tech in Computer Science and Technology, 2015-19

    Indian Institute of Engineering Science Technology, Shibpur

  • CBSE XII Science, 2014-15

    Kendriya Vidyalaya R.K Puram Sec-4 New Delhi


List of all publications till date


Intern and Job Experiences


Research Scholar

CNeRG Lab, CSE Department, IIT Kharagpur

Jan 2020 – Present Kharagpur, West Bengal

Broad Research Area - NLP and Social Computing.

Current Research Area - Detection, analysis and countering of hate speech


Research Intern

Language Technology group, University of Hamburg

Aug 2019 – Sep 2019 Hamburg, Germany
worked on developing the backend for Forum 4.0 project which a site for new comments analysis

Junior Research Fellow

CNERG Labs, IIT Kharagpur

May 2019 – Dec 2019 Kharagpur
Worked in the project Cognitive Stimuli: Detecting and Generating Exaggeration in Online and Social Media Content (CSAM), funded by Adobe Systems Inc


CNERG Labs, IIT Kharagpur

May 2018 – Apr 2019 Kharagpur

Work included detection of hate speech in online social media.


  • Part of the winning team “Hateminers” at AMI Evalita-2018.
  • Member of the project which is releasing the first ever dataset for analysis of counterspeech at ICWSM-2019


Bluezeal Labs, IIT Bombay

Dec 2017 – Mar 2018 Shibpur, Howrah
Part of the artificial intelligence team of this start-up. Responsibilities include:

  • Developing optical character recognition
  • Developing web scraping and chatbot solutions.


Neurocomputing Lab ,IIT Delhi

May 2017 – Jul 2018 New Delhi, Delhi

Work included analysis of Hindi Letters using eye tracking and neural networks.

Achievements include:

  • Part of the project “Analysis of hindi fonts on reading comprehension” , later a paper on this was selected at IHCI-2018. Major contribution include error reduction of eye tracker using machine learning


  • +919968982501
  • CNeRG Lab, CSE Department, IIT Kharagpur, Kharagpur, West Bengal 721302
  • Enter CSE Dept and take the stairs to Room 205 on 1st Floor
  • Weekdays from 10:00 am to 5:00 pm
  • Book an appointment
  • DM Me