Section 49(2)(a) in The Agricultural Produce Marketing (Development and Regulation) Act, 2007
(a)The price of the notified agricultural produce brought in the market yard/sub-market yard/private yard shall be paid on the same day to the seller in market yard/sub-market yard/ /private yard, as the case may be, and that the payment for notified agricultural produce purchased from such yard, shall be made to the seller, if he is not a trader, on the same day there itself;