Lecture1, Lecture2 December 12-16, 2011, Visva-Bharati.
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Lecture on solarflare .
Article on Tagore Published in Dainik Statesman (in Bengali)
lecture on the Centenary year Celebration of Bohr's Theory.
lecture on Bohr's Theory for B.Sc. Semester-VI students.
lecture on Quantum Theory for B.Sc. Semester-VI students.