New Delhi :Airtel digital TV, the DTH service from Airtel, has announced the addition of 5 new channels to its bouquet –PTC Chakde (Punjabi), Zee 24 Taas (Marathi), Saam TV (Marathi), Zee Chattisgarh (Hindi) and Zee Classic (Hindi). In another first, Airtel digital TV customers can now choose to watch National Geographic in Telegu. With this, Airtel digital TV has expanded its channel... full story