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Junior Research Fellowship (CSIR), India: 1982 to 1984.
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Senior Research Fellowship (CSIR), India: 1984 to 1987.
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Research Associateship (CSIR), India: 1987 to 1988.
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Senior DAAD Fellowship, Bonn, Germany: 3 months (1997).
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DAAD Fellowship (Mentor), Germany: 14 Days (1999).
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Fellow, Society for Advancement of Electrochemical Science and Technology, India.
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Life Member, Swedeshi Science Movement, India.
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Affiliate Member, International Union of Pure and Applied Chemistry,U.K., 1992-93.
