( 1 ) THESE are petitions filed under Article 226 of the Constitution challenging the validity of the notifications issued by the State Government under Sections 2 (i-a) 3, 4 and the first proviso to Section 5 of the Madras Commercial Crops Markets Act, 1933 (hereinafter referred to as "this Act. ") In each of Writ Petitions Nos. 273 and 274 of 1981, there is only one petitioner; in Writ Petition No. 486 of 1961 there are sixty eight petitioners; in Writ Petition No. 500 of 1961 there are two petitioners; in Writ Petition No. 32 of 1962, there is only one peti-tioner. All the petitioners except the two petitioners in W. P. No. 500 of 1961 claim to he commision agents carrying on business in chillies at various places in the district of Guntur and their business comprises in receiving chillies from agriculturists, storing them if necessary and selling them in the open market on behalf of the agriculturists to agents of buyers from outside the district and elsewhere. They further state that after deducting the expenses and their legitimate commission, the sale amount is paid over to the agriculturists. The two petitioners in W. P. No. 500 of 1961 claim to be growers of