Complex sentence: An actor per excellence, Kanu Banerjee was known be a favourite of none other than Rabindranath Tagore, who was believed to be very fond of Mr.Banerjee's different nuances of sad emotions and pains.
Split into simpler sentences: An actor per excellence, Kanu Banerjee was known be a favourite of none other than Rabindranath. Tagore was believed to be very fond of Mr.Banerjee's different nuances of sad emotions and pains.