by edited by K.V. Peter

by Edited by Dinesh Arora

by Desh Beer Singh and Poonam Wazir

by V. Ponnuswami, K. Padmadevi and S. Muthu Kumar

by N. Kumar

by Radha Raman

by K K Srivastava

by H.P. Singh, J.P. Singh and S.S. Lal,

by Edited by R.C. Sharma and J.N. Sharma

by S.C. Dey

by Shyam Singh and S.A.M.H. Naqvi

by A K Srivastava and Shyam Singh

by R.C. Woodford

by EIRI Board

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by V Shanmugam

by Edited by T.K. Bose, L.P. Yadav, P. Pal, V.A. Parthasarat...

by H.N. Samaddar

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by U.S. Bose

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