Bina Basnett completed her schooling in 2003 from Gangtok Deorali Girls SSS, she pursued her MBBS from SMIMS Tadong (CRH). After completing MBBS in 2009, she continued her Doctor of Medicine at SMIMS Gangtok in 2013 and later practiced and worked as a lecturer in Lady Hardinge Medical College New Delhi.[2]
On 31 May 2018, Bina Basnett joined Hamro Sikkim Party (HSP) which was led by Bhaichung Bhutia. On the launching ceremony of HSP, she was elected to one of the 9 vice presidents of HSP.[3]
For about 8 months after the launching ceremony, the president of HSP was kept vacant. On January 24, 2019, vice president Bina Basnett was nominated to the 1st president of HSP.[2] In 2019 Sikkim Legislative Assembly election, she stood as the candidate of HSP from Upper Tadong, but she lost and received only 1.63% votes.
In 20 September 2022 Bhaichung Bhutia was elected unanimously by party leaders and members as the new president of HSP. Bina Basnett completed her term.[4]