- Center for Operations Research and Training (CORT), Baroda, India for cross border studies;
- CREA, New Delhi on GBV against sexual minorities study
- Guttmacher Institute, USA
- Harvard T.H. Chan School of Public Health , USA
- International Center for Research on Women (ICRW), Delhi for multi-country study on Gender, Masculinity and Son Preference
- International Council on Management of Population (ICOMP), Malaysia on Repositioning Family Planning and Unmet needs studies focusing on SAARC Region and Nepal case studies;
- International Center for Population and Social Research (IPSR), Mahidol University, Salaya, Thailand
- Netherlands Interdisciplinary Demographic Institute (NIDI), The Hague, Netherlands.
- Oxford University, UK
- University of California, Center for Reproductive Health Research & Policy, San Francisco. USA;
- University College London, UK on Investigating violence against marginalized women in Nepal, and Study on GBV in Nepal
- University of Southampton, Division of Social Statistics and Department of Psychology, Southampton, UK.- Research & Training of Collaborative Nature, Academic Linkages, etc.
- UNFPA CO Maldives, UNFPA CO Lao PDR and UNFPA CO DPR Korea through UNFPA Asia Regional Office for carrying Population and SRH related training, evaluation and survey;
- WHO, Geneva for carrying out i) Randomized Controlled, Equivalence Trail comparing safety, efficacy, and feasibility of medical abortion provided by physicians and non-physicians in Nepal and ii) A randomized, placebo-controlled study of two prophylactic medication approaches in addition to a pain control regimen for early medical abortion with mifepristone and misoprostol.