Kolkata: Actress Konkona Sen Sharma said she is grateful and happy for receiving roles based on the work of Rabindranath Tagore. Konkona would be next seen in "Sajarur Kanta", where she otherwise plays Deepa in the film, but takes on the role of Nandini from Tagore's classic play 'Raktakarabi' as member of a theatre troupe staging the play.