I used this aircel sim, it gives special offers and ratecutter plans, it plans are very useful, and international calls are very low cost in this service.malaysia, singapore, usa calls in low cost, then network is good. internet 3G speed is good, low internet costs, it gives 12= 120 mb, 22= 220 mb, 65= 650 mb, 1 gb= 127 mb internet packs are very useful