Dr. Bhattacharya is interested in the problem of parametric/non-parametric control chart techniques in high-dimensional processes, acceptance sampling, inference based on order statistics, design issues in reliability life-testing experiments, Bayesian design problems in reliability, and survival analysis.

• Ph D in Statistics, Indian Statistical Institute Kolkata (2016)
• MS in Mathematics, Indian Institute of Technology Kharagpur (2008)
• BS in Mathematics, University of Calcutta (2006)

• Revisiting Best Linear Unbiased Estimation of Location-Scale Parameters Based on Optimally Selected Order Statistics Using Compound Design Methodology and Computing in Applied Probability 24 (2022), Ritwik Bhattacharya, Narayanaswamy Balakrishnan.

• On some prediction issues in order statistics (2021), Volume International Conference on Mathematical Sciences, S. V. National Institute of Technology Surat, India, Ritwik Bhattacharya.

• Prediction of future ordered statistics with application to reliability life-testing experiments