DOCTRINE OF BASIC STRUCTURE Introduction doctrine of judicial review applied by judiciary to examine the validity of constitutional amendment bills difference between rewriting the constitution and amending the constitution parliament represents ' political sovereignty' , constituent assembly represents ' popular sovereignty /general will' evolved to determine amending power of parliament conflict between DPSP and FR FR are enforceable Cases Champaran Dorairajan vs State of Madras 1950 Shankari Prasad vs UoI case 1951 reservation policy challenged by Brahmin women on the basis of right to equality dilemma for judiciary: enforcement of FR is obligation under Art 32 art 13: no law which abridges any FR is to be given validity judiciary went for creative interpretation term 'law' excludes amendment response of govt 1st amendment act clause 4 in art 15- special provision for advancement of any socially or educationally backward classes of citizen or for S...