Section 39(1) in The Maharashtra Specified Co-operative Societies Elections to Committees Rules, 1971
(1)With a view to preventing personation, of voters, every voter about whose identity the Presiding Officer or the Polling Officer, as the case may be, is satisfied, shall allow his left thumb to be inspected by the Presiding Officer or the Polling Officer and an indelible ink mark to be put on it.
