Besides 11 members from BJP, three each from the Goa Forward Party, the MGP and independents supported Sawant during the head count conducted in the House.
As per the power-sharing arrangement, Goa Forward Party chief Vijai Sardesai and Maharashtrawadi Gomantak Party MLA Sudin Dhavalikar will be the deputy chief ministers.
Vishwajit Rane, who had unsuccessfully lobbied for the CM's post, has been given crucial Health and Town and Country Planning Portfolios along with Urban Development, Women and Child, and Forest departments.
With this, the Congress's strength in the 40-member assembly reduced to 14 from 16.
Sawant took the oath in Konkani language.
In the 2017 state assembly polls, the Congress had emerged as the single largest party by winning 17 seats.
The Association of Democratic Reforms said Goa has set a unique record, which is "unparalleled" in the history of Indian democracy.
Sawant on Tuesday said his government had sought a floor test on Wednesday to prove its strength in the assembly.
If pandemic (mis)management threatened to dominate Goa's electoral discourse, the BJP is up against a deeper structural issue in its organisation, created by the fact that a majority of the legislature party and the ministerial council is made up of Congress defectors, disparagingly referred to by the Opposition as "imports". Radhika Ramaseshan reports.
The two would-be Dy CMs are Goa Forward Party chief Vijai Sardesai and Maharashtrawadi Gomantak Party MLA Sudin Dhavalikar.
It is a record that the saffron party has created, where the majority of its legislators belonged to the minority community.
