Ishwor Logot Tey Ahivi movie-song

Its 70s Nagamese movie where a two orphanage siblings,( brother and sister) are adopted as a labour. Their step mother act as normal infront of her sibling brother however in the absent of her brother she was asked to worked every second and minute of her life. In the ending part of the movie, in absence of her brother she felt ill. The evil step-mother wish her to die and so therefore she never bother and dies away on sick bed wishing his brother was with her. Finally her beloved brother returns home happily with a beautiful dress as a gift for his sisters to put a big smile with his love for her but she was gone forever never to see him nor this world again. Her brother burst into tears and rush to her cemetery where it was how his sister waited his brother in the form of cemetery.