Bilambita Loy' is the story of Mriganka and Aditii and the ups and downs their lives go through. Mriganka may be a budding painter and Aditi a vocalist. They drop in cherish and get hitched against the wishes of their family. Their hitched life hits a rough patch when Mriganka remains reserved from the requirements of the family and Aditi must work difficult to run the family. They at last get separated. Aditi gets to be a famous vocalist. Mriganka gets to be an alcoholic when he comes up short to do well as an craftsman. Edith an vagrant brought by Aditi's family and Aditi's companion spots Mriganka in slight wellbeing. She medical attendants him back to wellbeing. She energizes him to begin portray once more. They get hitched. But, Edith's assembly with Aditi at the church makes her feel that she isolated them. Edith endures a unsuccessful labor and kicks the bucket. Aditi comes to go to Edith burial and realizes that Mriganka needs a back. She offers her back.