Which one of the following is NOT correctly matched?

(Subject)	(Related Articles)
(a) The Separation of the judiciary from the executive	Article 50
(b) The promotion of educational and economic interests of Scheduled Castes and Scheduled Tribes	Article 46
(c) The promotion of Co-operative Societies	Article 43A
(d) The organization of village panchayats and enable them to function as the units of self-government	Article 40