Section 62(3)(i) in The Bihar Panchayat Election Rules, 2006
(i)The first polling officer shall underline the identity and the name and serial number of the voter in the marked copy of electoral roll and in case of a woman voter, having underlined as above, shall put a tick (S) mark on the left side of the name of the woman voter. The first Polling Officer shall obtain the signature/ thumb impression of the voter on the counterfoil of the ballot paper meant for the election of Mukhiya and Sarpanch and shall note the serial number of the electoral roll relating to the voter concerned on it. Thereafter he/she shall apply indelible ink on the left forefinger of the voter. Thereafter, he/she shall pass on the two ballot papers meant for election of the Mukhiya of Gram Panchayat and the Sarpanch of Gram Katchahry to the second Polling Officer for that voter;