For UPSC and state civil services examination kUMAR M.SENTHIL creator S. Rijesh text Uttar pradesh Pearson India Education Services PVT. Ltd. 2022 3rd monographic 1036p. 23cm(pbk) M. Senthil kumar 303.440954 978-93-544-9870-1 ENG-139300 DBAD/PUB 20240301154400.0