- Post Doctoral Fellow at: Foundation for Applied Moleculer Evolution, FL, USA    (2014)
Group of Prof. Dietlind Gerloff
- Post Doctoral Visiting Fellow at: Linkoping University, Linkoping, Sweden,    (2014-16)
Group of Prof. Bjorn Wallner
    (Works together)
- DST-SERB National Post Doctoral Fellow at: University of Calcutta, Kolkata, India,    (2016-17)
Group of Prof. Anjan Dasgupta
    (Works together)
    (Other Works completed during the same period)
- DST-SERB National Post Doctoral Fellow at: University of Delhi, Delhi, India,    (2017-18)
Group of Prof. Parbati Biswas
    (Works together)
    (Other Works completed during the same period)
- Post Doctoral Reseracher at: Clemson University, Clemson, SC, USA,    (2018)
Group of Prof. Emil Alexov
    (Works together)
    (Other Works completed during the same period)
- Post Doctoral Reseracher at: Université libre de Bruxelles, Brussels, Belgium,    (2019)
Group of Prof. Marianne Rooman
    (Works together)
    (Other Works completed during the same period)
- External Scientific Collaborator at: Université libre de Bruxelles, Brussels, Belgium,    (2020--)   [2019-2022, Adjunct]
3BIO Group (head: Prof. Marianne Rooman)
    (Works: completed / ongoing)
- Assistant Professor (through WBCSC-2018) at: Asutosh College (affiliated to University of calcutta), Kolkata, India,    (2020--)   [Current, Substantive]
Department of Microbiology
    (Works: completed / ongoing)
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