The state cabinet took the decision after a meeting on Tuesday.
The group, led by Leader of Opposition Chandrakant Kavlekar, met Assembly Speaker Rajesh Patnekar in the evening and gave him a letter, informing him about their breaking away from the party.
Michael Lobo, who resigned as deputy speaker of the Goa Legislative Assembly, and three of the 10 MLAs who joined the BJP -- Chandrakant Kavlekar, Jeniffer Monserratte, Philip Neri Rodrigues -- were sworn in as new ministers.
Many of the Congress stalwarts including four from Churchill Alemao family and state party chief Subhas Shirodkar bit the dust as the Bharatiya Janata Party-Maharashtrawadi Gomantak Party alliance on Tuesday managed to bag majority of seats in Goa assembly elections.
'Parrikar died twice...once on March 17 physically while today it is the death of his political legacy'
It is a record that the saffron party has created, where the majority of its legislators belonged to the minority community.
Syed Firdaus Ashraf lists seven states where the Grand Old Party suffered a severe setback.