Raj Sarkar


Joined: 01/06/2014

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Raj Sarkar's PowerPoint Presentations

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drrdsarkar created a new channel "Study Material"


Study Material

Her students can get there study material. Like power point presentations.

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drrdsarkar uploaded a new presentation "Conventional And Non-ConventionalSources Of Energy"


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hasenchat is now following drrdsarkar

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