Indian Idol 12: Special guest Udit Narayan calls Sawai Bhatt's performance a 'kathputli act' – here's why

With the special 'Sing Along' theme on the upcoming episode of Indian Idol Season 12, special guests Udit Narayan and Abhijeet Bhattacharya will be seen singing some of their famous songs, share memories of their time in the industry as well as engage with the contestants