Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Chopra, P.N"'

Who's Who of Indian Martyrs

By Chopra, P.N.. Metropolitan, New Delhi Publication Division 1973 . 177

By Chopra, P.N. New Delhi S. Chand and Company Ltd 1979 . 113

By Chopra, P.N.. Ludhiana: Kalyani Publishers; 2006 . 773 p.

By Dhar, P.K.. Ludhiana: Kalyani Publishers; 1999 . 400 p. 8176634034

By Chopra, P.N.. Metropolitan, New Delhi Publication Division 1969 . 382

By Chopra, P.N.. Metropolitan, New Delhi Publication Division 1973 . 177

By Chopra, P.N.. New Delhi 1972 . 149