14 lessons,
3h 26m
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Krishan Kumar Tiwari
DOB - 17/11/1959.
An Electrical Engineer have completed 33 years of career in power sector with MP electricity board, BSES Delhi & abroad
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AKASH SINGH
2 years ago
sir pls make module for numerical practice
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UPSC Mains 2013 Q-2
THANK YOU K.K.TIWARI