Section 34A(2) in The Goa Panchayat and Zilla Panchayat (Election Procedure) Rules, 1996
(2)If any voter refuses to allow his left forefinger to be inspected or marked in accordance with sub-rule (1) or has already such a mark on his left forefinger or does any act with a view to removing the ink mark, he shall not be supplied with any Ballot paper or allowed to vote.