63-year-old Barwala was elected from Hisar Lok Sabha constituency in 1998 and 1999 as an Indian National Lok Dal candidate. He had also been a former MLA from Narwala and was Haryana Forest and Education Minister in 1987. He hails from Jind.
Welcoming him and his supporters into the party fold, BJP general secretary J P Nadda hoped he will ensure the party's victory in coming polls in the state.
Announcing an end to his 35-year-old association with INLD, Barwala said he will help in BJP come to power in the state.
A municipal councillor from Gurgaon and a leader of Haryana Janhit Congress Mahesh Dayma also quit his party to join BJP.
