Episode : 51 || Science Tech || Application of Nano Technology || By- Akhilesh C. Srivastva

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Savitri Patel
March 25, 2020, 10:24 am

Thank you sir

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Pradeep kumar
February 29, 2020, 1:07 am

Bhai apne batch me koi tilhar se hai

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Ankit Kumar Yadav
February 28, 2020, 7:39 pm

Sir transistor kya hota hai aur uske use kya hai. Please thoda discuss kr dijiye

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chanchal choudhary
February 28, 2020, 6:27 pm

good evening sir

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Ragini Rai
February 28, 2020, 5:11 pm

Good evening sir 🙏🙏