1. Visiting Scientist fellowship at Astronomical Institute of the Academy of Sciences of the Czech Republic, Prague.
2. Visiting Scientist fellowship at N. Copernicus Astronomical Centre, Polish Academy of Science, Warsaw, Poland.
3. Visiting Scientist fellowship at Theoretical Institute for Advanced Research in Astrophysics (TIARA), Taiwan.
4. Have been offered post-doctoral fellowship from various eminent Universities and Research Institutes in USA, Europe and Asia.
5. Awarded the Visiting Scientist Fellowship from the Department of Astronomy and Astrophysics, University of Valencia, Spain, in 2002 (Declined due to personal reason).
6. Awarded the Visiting Scientist Fellowship from the Racah Institute of Physics, the Hebrew University of Jerusalem, Israel, in 2002.
7. Awarded the Visiting Scientist Fellowship from the Department of Physics & Astronomy, University of Alabama, Tuscaloosa, AL, USA, and Marshal Space Flight Centre, NASA, AL, USA, in 2001 (Declined due to personal reasons).
8. Awarded the Visiting Scientist Fellowship from the Department of Mathematics, Queen Mary and Westfield College, University of London, UK, in 2001.
9. Awarded Foreign Travel Grant from Dept. of Science & Technology (DST), Govt. of India, 2000. Grant No. SR/PF/574/2000. (Declined)
10. Awarded Foreign Travel Grant from Council of Scientific & Industrial Research (CSIR), Govt. of India, 2000. Grant No. TG/134/2K-HRD. (Accepted).
11. Selected as Category A TPSC (Theoretical Physics Seminar Circuit, India) Speaker.
12. Regular member of the Astronomical Society of India (ASI).
13. Selected in final selection list of appointment as lecturerership ( with rank 6th among whole state) in West Bengal College Service Commision in 1999 selection board. Calcutta Zone Rank: 6th, Kalyanai Zone Rank: 1st, Burdwan Zone Rank: 2nd.
14. Qualified in State Level Eligibility Test for Lecturership in Indian Universities and Colleges ( SLET, 1996).
15. Qualified in Graduate Aptitude Test in Engineering ( GATE - 1996) in 1996 in Physical Sciences branch.
16. Qualified in Graduate Aptitude Test in Engineering ( GATE - 1995) in 1995 in Physical Sciences branch.
17. VSRP Fellow ( Visiting Student Research Programme) from IUCAA (Inter University Centre of Astronomy and Astrophysics), Puna, India. Project work under Prof. T. Padmanabhan on General Theory Of Relativity and Physics Of Collapsing Stars.
18. National Merit Scholarship in B.Sc. (BS).
19. National Merit Scholarship in Higher Secondary (+2).
20. National Merit Scholarship in Madhyamik (10th Standerd).
21. Post-primary State Level National Scholarship (ranked First in the district).