Gyan Vigyan | 20.10.18

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Weekly roundup of developments in the field of science & technology.

Anchor: Aishwarya Kapoor
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Apk dwara upsc prelim m kafi help mili or main to rstv se hi aya ta upsc k liye rstv vardan h txxxu

chuhilucy
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Very Nice Aishwarya mam u doing gd....👍👍

hemlatasharma
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Thanku so much Mam ....Great job u r doing....

kalpanasingh