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The author is a former Chief Engineer of Indian Railways. He is B. E. from N.I.T., Allahabad, and M. Tech. from I.I.T., Delhi.
Syed Arshad
Vinoth Indirajit
JANVI SANAT SHUKLA
Dharvin Vinod Vasani
SUMIT ROY KING
Saiyyam Kanth
NEETU RAJ BUNDELA
What is 3x3=? (in words) Note: This question makes sure that you are not a robot.
