Mumbai: Amita Udgata popularly known as "Dadi Bua" in Sony TV's Kuch Rang Pyar Ke Aise Bhi, passed away last night due to lung failure. She has worked in many TV serials, the most famous role of her being 'Amma' in Star Plus. she has also worked in many TV shows like doli armano ki, maharana pratap, baba aiso varr dhundo and also in Big screen movies like Hasee toh Phasee, Sarabjit.