- Young Scientist Platinum Jubilee Award, National Academy of Sciences, India (NASI), 2013.
- Humboldt Fellow, Alexander von Humboldt-Stiftung, Germany, 2012.
- DAAD Fellow, Deutscher Akademischer Austausch Dienst (German Academic Exchange Service), Germany, 2012.
- Grant from UNESCO Chair in Data Privacy, Universitat Rovira i Virgili, to attend AAECC-2009, Tarragona, Spain, 2009.
- Qualified the Junior Research Fellowship (JRF) selection test and interview for Ph.D. admission in Computer and Communication Sciences, Indian Statistical Institute (ISI), Kolkata, India, 2006.
- Ranked 1st in the interview for Ph.D. admission, Dept. of Computer Science & Automation, Indian Institute of Science (IISc), Bangalore, India, 2006.
- Ranked 1st in the selection test and interview for Ph.D. (Institute Scholar) admission, Dept. of Computer Science & Engineering, Indian Institute of Technology (IIT), Kharagpur, India, 2006.
- Qualified the University Grants Commission (India) National Eligibility Test (UGC-NET) for Junior Research Fellowship (JRF) and Lectureship in Computer Science & Applications, 2005.
- Leadership Award, Graduate Student Organization (GSO), State University of New York at Albany, U.S.A., 2005.
- Topped in the Masters Comprehensive Examination, State University of New York at Albany, U.S.A., 2002.
- Full scholarship offers for Ph.D. program from four Universities in U.S.A.: University of Arizona, Tucson; University of California, Irvine; University of Memphis, Tennessee; State University of New York, Albany; 2001.
- Ranked 174th in the Country (India) in Graduate Aptitude Test in Engineering (GATE), 2001.
- Ranked 1st in Bachelor of Engineering (B.E.) in the Computer Science & Technology Department of Bengal Engineering College (Deemed University), which is now Indian Institute of Engineering Science and Technology (IIEST), Shibpur , 1997-2001.
- Ranked 1st in the Bachelor of Science (Physics Honours) admission test, Presidency College, Kolkata, India, 1997.
- Ranked 133rd in the State (West Bengal, India) in Joint Entrance Examination (WBJEE), Engineering, 1997.
- Ranked 42nd (out of over 3,50,000 examinees) in the State (West Bengal Council of Higher Secondary Education) in Higher Secondary (Std. XII) Examination 1997.
- Ranked 2nd (out of over 5,00,000 examinees) in the State (West Bengal Board of Secondary Education) in Secondary (Std. X) Examination 1995.