Bhutan's Chief Election Commissioner Kunzang Wangdi said according to the preliminary information the turnout of voters should be more than 80 per cent.
"It was a peaceful election and counting has started immediately. We expect all results should be out after 9 pm (local time)," he told PTI.
The election will decide the fate of 94 candidates in 47 constituencies contested by two major parties, ruling Druk Phuensum Tshogpa (DPT) and opposition People's Democratic Party (PDP).
"I am excited to be part of my country's democratic process by casting my vote," said first-time voter and Thimphu college student Pema Dema.
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India has provided logistical support, including gifting nearly 4,130 Electronic Voting Machines (EVMs) to Bhutan and Chief Election Commissioner V S Sampath is here to witness the democratic process in the Himalayan nation as an observer.
This is the second national election in Bhutan after the country became a democracy in 2008. In the last election, the opposition PDP won only two of the 47 seats up for grabs.
In the first stage of the polls on May 31, two parties, the Druk Nymrub Tshogpa (DNT) and Druck Chirwang Tshogpa (DCT), lost out leaving the DPT and PDP to contest the final stage of the polls today.
Bhutan has a tri-cameral parliament of the King, National Council and the National Assembly. There are 25 seats in the National Council or the Upper House. Five of them are appointed by the King and 20 are elected from 20 districts.
National Assembly or lower house consists of 47 members elected from 47 constituencies. Representatives to both houses were elected first in 2008.