Section 64(1)(i) in The Goa Agricultural Produce Marketing (Development and Regulation) Rules, 2010
(i)Marketing Board shall have absolute control over the principal market and sub-yards established under the Act. The Marketing Board, subject to these rules and to the orders issued by concerned authorities from time to time in this behalf, shall manage it's affairs having due regard always to the best interests of the agriculturists and the trader in the notified agricultural produce.