More details will be added later…
- Strategy Building for anti-corruption Research; TAF, California, 1997.
- Jawaherlal Nebru University, International Conference in Health Status New Delhi 1996 – 1997.
- International Economic Association (IEA), in Dhaka (1973) Delhi (1986).
- International Development Research Center (IDRC), in Canada, Singapore (1974), Seoul (1975), Kathmandu (1976), Colombo (1977), Ottawa (1978), New Delhi (1989).
- International Committee on Management of Population Project (ICOMP), in Manila (1978), Singapore (1979), Rio de Janeiro (1980), Kuala Lumpur (1982).
- World Health Organization, WHO & SEARO, Geneva (1979), New Delhi (1979), New York (1980), Geneva (1981), New Delhi (1981), Kathmandu (1982), New Delhi (1982), Geneva (1982), New Delhi (1983), Dhaka (1984), New Delhi (1987, 1988), Bangkok (1989), Delhi (1990, 1991), Geneva (1992, 1993), New Delhi (1996), Colombo (1999)
- UNIDO, Vienna (1975, 1981)
- International Center for Public Enterprises (ICPE), Ljubljana (1974, 1976, 1978, 1981, 1983, 1985), Amman (1983).
- ESCAP, Bangkok (1978, 1979 & 1983), Seoul (1988), Dhaka (2000). ESCAP/UNCTC, Bangkok (1981, 1989).
- ILO (1974), ARTEP (1981, 1983 & 1988).
- CIRDAP, Comilla (1981), Kualalumpur (1983), Dhaka (1990, 192, 1994, 1996 & 1997).
- APDC, Kuala Lumpur (1979, 1983). APO, Bali (1984), Manila (1986). ADB, Manila (1986), Seoul (1988), Dhaka (2001).
- PROAP/UNESCO, Bangkok (1985), New Delhi (1985), Bangkok (1986, 1987, 1988, 1990 & 1992) UNICEF, Dhaka (1982, 1988, 1989, 1999, 2000 & 2001).
- APCTT, Dhaka (1986), New Delhi (1987).
- UNCRD, Nagoya (1985), Dhaka (1992).
- North South Institute; Paris (1985), Bergen (1985).
- Indian International Center, New Delhi (1986, 1990).
- Indian Social Research Council, New Delhi (1985).
- International Institute of Management, New Delhi; Agra (1985).
- MUCIA & Johnson Foundation, Racine, Wisconsin, (1988).
- UNCTAD Geneva (1989, 1991) Pacific Regional Science Conference (PRESCO), Singapore (1989), Columbus (1990), Melbourne, Australia (1992).
- MUCIA, Urbana-Champaign (1983), Columbus, Ohio (1984), Lowa City (1985), Madison, Wisconsin (1986). St. Paul Minnesota (1987).
- UN/DDMS: New York (1994).
- UNA/Asia Pacific Region, Dhaka (1995, 2000). India Habitat Center, New Delhi (2000).
- Delhi University, School of Education (2000).
- ICES, Colombo (2002). RCS, Colombo (1999).
- CPR, New Delhi (2001). Transparency International, Kualalumpur (1998).