Basu, Durga Das Introduction to the constitution of India / Durga Das Basu; revised by G. B. Patnaik and Yasobant Das - 21st ed. - Gurgaon : LexisNexis, 2013. - xxvii, 526 p. ISBN: 9788180389184 Subjects--Topical Terms: Constitutional law--India Dewey Class. No.: 342.54029 / BAS