i) International Conference on Thin Films, University of Sussex, UK. 1973

ii)      8^th European conference on Electron Microscopy, Bristol University, U.K. 1974.

iii) Metallurgy and Material Science Conference,   University of Birmingham, UK. 1975.

iv) 5^th African  Solar Energy Conference, Ahmadu bello University, Nigeria. 1983.

v)  International Workshop on Non-conventional Energy, ICTP, Trieste, Italy, 1985.

vi) Workshop on the spring College in Material Science, ICTP, Italy, 1987.

vii) Workshop on Condensed Matter Physics, ICTP, Italy,1988.

viii) BCSPIN Kathmandu Summer School, Kathmandu, Nepal, 1989.

ix) Chalmer`s University of Technology, Gothenburg, Sweden,1990.

x) Workshop on the Spring College in Material Science, ICTP, Italy,1991.

Xi) Research visit to Tsingua University, Beijing, China,1992,

xii)5^th EPMS Conference, Sheffield Hallam University, U.K. 1993.

xiii) SPIE International Conference, San Diego, USA.1993.

xiv) International Conference on Physics, New Delhi, India, 1994.

xv)3^rd International Conference on Materials Science, Hanoi, Vietnam, 1995.

xvi)6^th EPMS Workshop, Polanica, Poland, 1995.

xvii) Nathiagali Workshop on Physics, Islamabad, Pakistan, 1997.

xviii) Research visit  to IIT, New Delhi, India, 1998.

xix) Participated the UNESCO, General Conference, Paris, Now 1999.

sxx) Conference on Higher Education, Sharjah University, UAE,2000.

xxi) Visit to ICTP, Trieste, Italy as Associate Member, June-July,2002.

International Recognition:

I) Name included in the Marqui`s ``Who is Who in the World``, USA,1993.

ii)      Distinguished Leadership Award (1998) by American Biographical Institute.

iii)    Name included in the International ``Who is Who`` of twentieth Century Achievement (USA) 1998

iv)    Awarded the 2000 Millennium Medal of Honour, (USA), 1998

v)     Nominated for the prestigious title ``Man of the year -1998`` by the American, Biographical Institute.

vi)    Awarded ``Man of the year 2000`` by ABI, USA.

vii)  Nominated as an ``International Intellectual of the year for 2001`` Cambridge, UK

Countries Visited:

United Kingdom, USA, Italy, India, Pakistan, Vietnam, Sweden, Kenya, Poland, China, Zambia. Nigeria, Zimbabwe, Thailand, Denmark, Netherland, Switzerland, Nepal, Germany, Greece, UAE and France.