Received fellowships and awards from a number of International organisations to present research findings and/or share major findings of collaborative research projects Working as a member of MERG IWG constituted by UNAIDS, Geneva for the last three years and contributing in finalization of indicators to assess the progress in global response to HIV/AIDS and participated in various meetings of MERG at Geneva organized during May 27-29, 2013, May 21-22, 2014 and May 27-28, 2015. Worked as Consultant for UNAIDS, Bangladesh for Mapping and Size Estimation of MARPs in the country during Dec.2013 to March, 2014. Invited by WHO and UNAIDS to work as a Temporary Adviser in the Technical consultation on Size estimation in Asian Countries at Hong-Kong during Sept. 23-25 Invited by Joint UN Agencies in Asia and Pacific region to work as a resource person in a workshop on Size estimation of YKAP, organized at Bangkok during Sept. 4-6, 2012. Worked as Consultant for UNDP, Bangkok for Mapping and Size Estimation of MARPs in Bhutan during July 2012 to March 2013. Worked as MTR Consultant to review a regional project on Cross Border Migration and HIV vulnerabilities in South Asian countries during May to Oct. 2012. Invited by UNAIDS Asia and Pacific region to work as a resource person in a workshop on Size estimation of MARPs for the South East Asian countries, organized at Colombo during April 3-5, 2012. Worked as Consultant for BDS & UNAIDS, Nepal for assessing HIV/AIDS vulnerability among Transgender in Nepal during May to September 2011. Worked as Consultant for UNAIDS, Nepal for Mapping and Size Estimation of MARPs in different regions of Nepal during April-May, 2010. Experience of completing six research projects with International Collaborations like CDC, WHO, UNAIDS, UNDP, Macro International, University of Connecticut, ICR, Hartford, etc Organized the First International Conference on Alcohol & HIV in India during August 1-4, 2009 at Hotel Taj President, Mumbai, jointly with ICR & NIAAA, U.S.A. Working as a reviewer for a number of Internationally Reputed Journals like AIDS & Behavior, AIDS, JBM, Sexuality and Culture etc., focusing on different dimensions of HIV/AIDS.

Modelling of rural-urban Migration Process, Mix method approach in studying Reproductive and Sexual Health with focus at various dimensions of HIV/AIDS epidemic, Mapping and Size Estimation of MARPs and Evaluation of HIV/AIDS Intervention programmes