Oh sorry, it's IDV not IVF. Latter is used to insert something else in a different field. Ni need to know about it
Coming to IDV, it is nothing but regular NCF Slab. When u take airtel packs then no. of channels part of it r counted and charges shown alongside NCF option while any channel or bouquets u take above airtel packs its NCF will be reflected under IDV option. This differentiation has been created to give a better understanding of charges for subscribers