Tata MC Graw-Hill
Tata Mc Graw-Hill's general studies manual: for UPSC civil services preliminary examination:1992 - New Delhi Tata Mc Graw hill Publishing Company Ltd. 1992
Tata Mc Graw-Hill's general studies manual: for UPSC civil services preliminary examination:1992 - New Delhi Tata Mc Graw hill Publishing Company Ltd. 1992