The doctrine of basic structure was originated in Sajjan Singh and has been thereafter developed by this Court in a line of cases, namely (1) Kesavananda Bharati (supra), (2) Indira Gandhi Nehru, (3) Minerva Mills, (4) Waman Rao and (5) Sanjeev Coke Manufacturing Company vs Bharat Coaking Coal Ltd.; , Mr. Soli J. Sorabjee 'in support of his contention that Articles 291 and 362 and clause (22) of Article 366 were integral part of the constitutional scheme which otherwise would mean the 'essential part of the constitutional scheme ', referred to Webster New International Dictionary, 3rd Edition and Collins Concise English Dictionary, and has pointed out the lexical meaning say, that 'integral ' means 'essential ' and, therefore, 520 according to him, the total abolition of the provisions of the Constitution which are its integral parts otherwise essential parts has damaged the essential and basic features of the Constitution.