Section 64(1)(ii) in The Goa Agricultural Produce Marketing (Development and Regulation) Rules, 2010
(ii)For exercising the above control effectively, the Marketing Board shall entrust the management of each market to the Deputy Secretary or Assistant Secretary, if appointed, or a Supervisor, if no such Deputy Secretary/Assistant Secretary is appointed. The Deputy Secretary or Assistant Secretary or Supervisor, as the case may be, shall manage the market under the direct supervision of the Secretary.