Yoga guru Baba Ramdev on Saturday announced on Twitter the launch of India's first bhajan singing reality show 'Bhajan Ratn', which is set to air on Aastha Channel. The judges for the show will include Padma Shri award-winning singer Anup Jalota among others. Meanwhile, Ramdev's Ayurvedic products company 'Patanjali' will be sponsoring the reality show.