I am using idea the one of best service provider in nation. Idea currently supports up to 21.1 Mbit/s over 2G speeds of 256 kbit/s. However, different handsets support different speeds, from 384 kbit/s, 3.6 Mbit/s, 7.2 Mbit/s or 21.1 Mbit/s. Speeds also depend on the 3G plan recharge that users opt for.
Idea cellular has announced a cut of 70% in the tariff of its 3G service.On 23 November 2011 Idea Cellular launched two affordable 3G handsets in India: Idea 3G Smartphone Blade priced at 7, 992 and Idea 3G Smartphone priced at 5, 850. Both handsets are based on Android 2.2 Froyo.
Idea has also launched a Dual-SIM Android smartphone in India on 15 June 2012 named as Idea ID-918 at a price point of Rs. 5, 994($108 approx.) It features Android v2.3 OS, 3.2-inch capacitive touchscreen, 3G, Wi-Fi and 3.2 MP rear facing camera.
On 5 March 2013, Idea launched another 3G smartphone called Idea Zeal 3G which is a Dual SIM phone with 3 Megapixel camera.