Section 136(2)(g) in The Goa Panchayat Raj Act, 1994
(g)No member of the Zilla Panchayat shall vote on, or take part in the discussion of any question coming up for consideration at a meeting of a Zilla Panchayat or any Committee, if the question is one in which apart from its general application to the public, he has any pecuniary interest.