Druk Nyamrup Tshogpa (DNT) is set to win National Assembly elections in Bhutan.
The centre-left party's mandate was to have better relations with India before going to polls for the 47-member lower house of the Parliament.
Provisional results show the DNT winning at least 30 seats, with royalist Druk Phuensum Tshogpa (DPT) leading on remaining 17.
The tiny Himalayan nation went to polls earlier on Thursday.
Both the DNT and DPT fielded 47 candidates each in the final round in a bid to lead the young democracy for the next five years.
Bhutan transitioned from a century-old monarchy to democracy in 2008.
According to the Buddhist country's constitution, only two parties with highest votes in the primary round qualify for the final round.
The ruling People's Democratic Party of Prime Minister Tshering Tobgay faced a drubbing in the round held in September and got ousted from the contest.
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