• Speech Recognition
• Natural Language Processing
• Machine Learning
• Deep Learning 

Journal Publications:

• Paul, S., Bhattacharjee, V. & Saha, S. Towards development of the first continuous speech recognition system in Indian language Nagpuri. International Journal of Speech Technology 28, 369–380 (2025). https://doi.org/10.1007/s10772-025-10180-6 [Q1]
• Paul, S., Bhattacharjee, V. & Saha, S.K. A transfer learning approach for continuous speech recognition system in Indian language sadri. Int. j. inf. tecnol. 17, 3835–3844 (2025). https://doi.org/10.1007/s41870-025-02516-x 
• Paul, S., Bhattacharjee, V. & Saha, S.K. An End-to-End Continuous Speech Recognition System in Bengali for General and Elderly Domain. SN COMPUT. SCI. 6, 513 (2025). https://doi.org/10.1007/s42979-025-04058-2 

Conference Publications:

• Paul, S., Bhattacharjee, V., Saha, S.K. (2024). Kannada Continuous Speech Recognition Using Deep Learning. In: Verma, A., Verma, P., Pattanaik, K.K., Dhurandher, S.K., Woungang, I. (eds) Advanced Network Technologies and Intelligent Computing. ANTIC 2023. Communications in Computer and Information Science, vol 2093, 17, pp. 3835–3844. Springer, Cham. https://doi.org/10.1007/978-3-031-64067-4_17
• Kumari, A., Verma, S.A., Singh, E., Toppo, A.C., Paul, S. and Bhattacharjee, V., 2024, May. An end-to-end deep learning based continuous speech recognition in Kannada. In AIP Conference Proceedings Vol. 3164(1). AIP Publishing. https://doi.org/10.1063/5.0214118
• Paul, S., Saha, S.K., Bhattacharjee, V. Continuous Speech Recognition in Hindi for Health Care Using Deep Learning. In: Mandal, J.K., De, D. (eds) Frontiers of ICT in Healthcare . Lecture Notes in Networks and Systems, vol 519, pp. 3-11 (2023). Springer, Singapore. https://doi.org/10.1007/978-981-19-5191-6_1