Career
She subsequently joined the regional Asom Gana Parishad and served in the Rajya Sabha from 1986 to 1992. Following her stint in the Rajya Sabha, she joined the Bhartiya Janata Party. She represented the Gauhati in the 13th Lok Sabha.
Under the premiership of Atal Bihari Vajpayee, she served as the Union Minister of State for Water Resources.
In 2004, the BJP decided to field singer Bhupen Hazarika in her place, causing widespread protests from BJP party workers. Hazarika lost the elections.
The BJP understood its mistake and re-nominated Bijoya in the 2009 Lok Sabha election from the Gauhati seat. 1977-1979 District Secretary, Janata Party, Mangaldoi (Assam)
1999-2004 Union Minister of State for Water Resources
2007–present National Vice-President, Bhartiya Janata Party.