Around 46 per cent polling was recorded till 1 pm during elections for two Lok Sabha constituencies and bypolls to three Assembly seats in Goa.
Following complaints of malfunctioning of EVMs at some polling booths, the faulty machines were replaced, an election official said.
Till 1 pm, there was 46.26 per cent voting in North Goa Lok Sabha seat and 43.97 per cent in South Goa, as per official figures.
Besides, in the by-elections underway in three Assembly seats, Mandrem so far recorded 45.95 per cent voter turnout, Shiroda-45.86 per cent and Mapusa -47.19 per cent.
Goa Chief Minister Pramod Sawant and his wife were among the early voters.
State Governor Mridula Sinha and her husband also cast their votes in the morning at a polling booth in Dona Paula area near Panaji.
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Congress candidate from North Goa Girish Chodankar and BJP nominee Shripad Naik also exercised their franchise earlier in the day.
In South Goa, Congress candidate Francis Sardinha, BJP nominee Narendra Sawaikar and Shiv Sena candidate Rakhi Prabhudesai Naik were also among the early voters.
The Aam Aadmi Party's contestants, Pradeep Padgaonkar and Elvis Gomes, who are fighting the elections from North Goa and South Goa seats respectively, also exercised their democratic right.
There are 12 candidates in the fray for the two Lok Sabha constituencies and 18 for the three Assembly seats.
The by-elections in Shiroda and Mandrem were necessitated after their sitting Congress MLAs resigned and joined the ruling BJP.
The Mapusa seat fell vacant following the death of its sitting MLA.