Complex sentence: His next film "Kadambari" starring Konkona Sen Sharma and Parambrata Chatterjee is based on the life of Rabindranath Tagore and his controversial relationship with his sister-in-law Kadambari Devi.
Split into simpler sentences: His next film is "Kadambari" starring Konkona Sen Sharma and Parambrata Chatterjee. It is based on the life of Rabindranath Tagore and his controversial relationship with his sister-in-law Kadambari Devi.