Oral presentation in seminar/conference

(A) International

1.  Invited talk: Determination of the Number of Clusters in Gamma-Ray Bursts through an Integrated p-value from Multiple Nonparametric Tests of Hypotheses , Eleventh International Triennial Calcutta Symposium on Probability & Statistics, Department of Statistics, University of Calcutta, Kolkata, 2024

2. A new nonparametric interpoint distance-based measure for assessment of clustering, IAPQR’s Golden Jubilee Conference entitled Quality, Reliability and Productivity: New Vistas in collaboration with Sister Nivedita University, Kolkata, 2023

3. Study on Temporal Effects of Urban Malaria Incidences, International Seminar on Sustainable Development and Inclusive Growth: Methods to Methodology, Lady Brabourne College affiliated with University of Calcutta, Kolkata, 2020

4. Clustering of eclipsing binary light curves through functional principal component analysis, International Conference on Strategic Management, Decision Theory and Data Science, CSIR–CGCRI, Kolkata, 2020

5. Unsupervised classification of eclipsing binary light curves through k-medoids clustering, Tenth International Triennial Calcutta Symposium on Probability & Statistics, Department of Statistics, University of Calcutta, Kolkata, 2018

6. Clustering of gamma-ray bursts through kernel principal component analysis, International Conference on New Paradigms in Statistics for Scientific and Industrial Research, CSIR– CGCRI, Kolkata, 2018

7. Two phase formation of massive elliptical galaxies- study through spatio parametric cross-correlation, Platinum Jubilee International Conference on Application of Statistics, Department of Statistics, University of Calcutta, Kolkata, 2016

8. Clustering of Gamma-Ray Bursts, Ninth International Triennial Calcutta Symposium on Probability & Statistics, Department of Statistics, University of Calcutta, Kolkata, 2015

(B) National

1. Unsupervised classification of eclipsing binary light curves through k-medoids clustering, National Seminar on Applications of Statistics in Natural Sciences, St. Xavier’s College (Autonomous), Kolkata, 2019

(C) State-level

1.  Two phase formation of massive elliptical galaxies- study through cross-correlation including spatial effect, STAT QUEST, Department of Statistics, University of Calcutta, Kolkata, 2019

2. Bivariate density estimation using normal-gamma kernel with application to astronomy, STAT QUEST, Department of Statistics, University of Calcutta, Kolkata, 2018

3. Two sample multivariate location problem to test compatibility of astronomical observations, STAT QUEST, Department of Statistics, University of Calcutta, Kolkata, 2017

4. Study on temporal effects of urban malaria incidences, STAT QUEST, Department of Statistics, University of Calcutta, Kolkata, 2016

5. Clustering of Gamma-Ray Bursts, STAT QUEST, Department of Statistics, University of Calcutta, Kolkata, 2015

6. Classification of Variable Stars, STAT QUEST, Department of Statistics, University of Calcutta, Kolkata, 2014

Oral presentation in webinar

(A) International

1. A new interpoint distance-based clustering algorithm using kernel density estimation, International E-conference on Mathematical and Statistical Sciences: A Selcuk Meeting  (ICOMSS’22), organized by the Faculty of Science (Departments of Mathematics, Statistical Sciences, and Actuarial Sciences), Selçuk University, Konya, Turkey, 2022 (Platform: Zoom)

2. Distinction of groups of gamma-ray bursts in the BATSE catalog through fuzzy clustering, Webinar on Recent Advances in Applied Mathematics: Theory and Computation, Department of Applied Mathematics, University of Calcutta, Kolkata, 2021 (Platform: Google Meet)

(B) National

1. Fuzzy clustering of gamma-ray bursts: an attempt to explore new origins, National Conference on Recent Developments in Mathematics and Allied Sciences with Applications in Agriculture and Technology,  organized by Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut, Uttar Pradesh, 2025 (Platform: Google Meet) 

2. A new measure for assessment of clustering based on kernel density estimation, National Seminar on Recent Advances in Statistics: Theory and Applications, organized by Department of Statistics, Visva-Bharati University, Santiniketan, 2025 (Platform: Google Meet)     

3. Clustering of eclipsing binary light curves through functional principal component analysis, National Webinar on 'Recent Advances in Mathematics and Its Applications' (RAMA - 2022), Department of Pure Mathematics, University of Calcutta, Kolkata, 2022 (Platform: Google Meet)

Presentations

• A new nonparametric interpoint distance-based measure for assessment of clustering (2023)

• A new interpoint distance-based clustering algorithm using kernel density estimation  (2022)

Workshop participation

1. Workshop on Computational Sanskrit, organized by Department of Sanskrit and IQAC of Basanti Devi College in collaboration with Bhairav Ganguly College, 2023

2. Workshop on Machine Learning for Post Graduate Statistics Students and Young Researchers, organized by Department of Statistics, University of Calcutta, Kolkata, 2018

3. Introductory Workshop on Astrophysics and Cosmology, organized by Aliah University, Kolkata and IUCAA Resource Centre, Kolkata, 2016

4. Introductory Workshop on Virtual Observatory, organized by University of Calcutta and IUCAA Resource Centre, Kolkata, 2012

Seminar/conference participation

1. Two-day Seminar on Some Aspects of Recent Developments in Theoretical and Applied Statistics Organised jointly by Department of Statistics, University of Calcutta & Calcutta Statistical Association, March 27-28, 2026

2. Seminar on 'Psychological Counselling Course: Orientation Program' organized by Basanti Devi College, Nov 25, 2025

3. Seminar on 'UGC-INFLIBNET's Contribution to Enhancing Research Collaboration in HEIs' organized by Vidyasagar College for Women, Feb 21, 2025 

4. Seminar on 'Demystifying AI: Concepts, tools and application for Skill Development and Entrepreneurship' organized by Department of Computer Science and Department of Communicative English in association with IIC and IQAC of Basanti Devi College, Feb 19, 2025

5. Lecture Series on 'Artificial Intelligence and its Social Benefits' organized by Indian Association for Productivity, Quality & Reliability in collaboration with the Department of Statistics, Presidency University, April 6, 2024

6. C. R. Rao and P. K. Sen Memorial lectures, organized by Department of Statistics, Calcutta University, February 17, 2024

7. Seminar on Masters in Hospital Administration: Importance, Benefits for future generation and Career Counselling, organized by Placement Cell and Health Unit in collaboration with the IQAC of Basanti Devi College, December 21, 2023

8. National Seminar on Application of Statistics & Statistical Computing, organized by Xaverian Statistical Association under Department of Statistics, St. Xavier's College (Autonomous), Kolkata, 2013

9. Eighth International Triennial Calcutta Symposium on Probability & Statistics, organized by Department of Statistics, University of Calcutta and Calcutta Statistical Association, 2012

10. Interaction Session on Clinical Trials conducted by Cytel Statistical Software and Service Pvt. Ltd. during the Eighth International Triennial Calcutta Symposium on Probability and Statistics, organized by Department of Statistics, University of Calcutta and Calcutta Statistical Association, 2012

Webinar participation

1. Lecture by Prof. Asis K. Chattopadhyay, Department of Statistics, University of Calcutta on 'Data Types and Related Analysis', organized by Calcutta Statistical Association under CSA Outreach Programme, Kolkata, May 18, 2024

2. Lectures by Prof. Bimal Kumar Sinha, University of Maryland, Baltimore County, USA  and Prof. Bikas Kumar Sinha, Indian Statistical Institute, Kolkata, to celebrate "National Statistics Day" on the occasion of the birth anniversary of Prof. P.C. Mahalanobis - the father of Indian Statistics and to commemorate the birth anniversary of the founder of Asutosh College - Sir Asutosh Mukherjee,  organized by the Department of Statistics in collaboration with IQAC, Asutosh College, Kolkata, June 29, 2022 

3. Prof. Uttam Bandyopadhyay and Prof. Aditya Chattopadhyay Memorial Lectures, organized jointly by Department of Statistics, University of Calcutta and Calcutta Statistical Association, Kolkata, April 23, 2022 

4. Lecture by Prof. Subrata Kundu, George Washington University, USA on `Some Remarks on Generalizations of the Likelihood function and the Likelihood Principle', organized by Calcutta Statistical Association, Kolkata, March 30, 2022

5. Lecture Series for Propagation of Statistics Education and Research: Lecture by Prof. Bikas K. Sinha, Retired Professor of Statistics, Indian Statistical Institute, Kolkata, on 'Social Network Analysis for Understanding of Animal Behavior', organized by Calcutta Statistical Association (outreach program), Kolkata, July 9, 2021

6. Lecture Series for Propagation of Statistics Education and Research: Inaugural talk by Prof. Shyama Prasad Mukherjee, Former Centenary Professor of Statistics, University of Calcutta, on the topic ‘Some Problems in Using Stratified Sampling’, organized by Calcutta Statistical Association (outreach program), Kolkata, July 2, 2021

7. Webinar on COVID–19 modeling: Predictions, Role of Interventions and the Crisis of Virus in India – A Data Science Call to Arms, hosted by Calcutta Statistical Association, Kolkata, February 20, 2021

8. National Webinar on Data Driven Research in Mathematics & Statistics, hosted by the Department of Mathematics, Janardan Rai Nagar Rajasthan Vidyapeeth (Deemed-to-be University), Udaipur, 2020

Seminar organization

1. Member of organizing committee, Seminar on ‘Exploratory Data Analysis’, Department of Statistics, Basanti Devi College, Kolkata, 31st Mar, 2023

2. Member of organizing committee, Seminar on ‘Lectures on Linear Algebra and Probability Theory’, Department of Statistics, Basanti Devi College, Kolkata, 2019

3. Coordinator of Technical Session, International Conference on New Paradigms in Statistics for Scientific and Industrial Research, CSIR–CGCRI, Kolkata, 2018

4. Member of Sub-Committee, 9-th International Triennial Calcutta Symposium on Probability and Statistics, Department of Statistics, University of Calcutta, Kolkata, 2015