Das,Kshiti Bhusan Efficacy of pariksha pe charcha/ Kshiti Bhusan Das. - Ranchi: Central University of Jharkhand, 2023. - xxvi,144 p.; ill, 21 cm. ISBN: 9788196078287 Subjects--Topical Terms: Prime MinisterNational level programmeExamination System Dewey Class. No.: 371.26 / DAS