http://www.windowsphone.com/en-us/store/app/reliance-instacare/c9a66abd-c1a1-4539-9fad-2abf1cb2c8fc
Good for Reliance CustomersYou can now manage your postpaid/prepaid account from your Windows Phone including:
→ Instant recharge & pay your bills
→ Subscribe to latest caller tunes
→ Track your data usage
→ Check balance & outstanding
→ Buy the best deals & packs
→ Locate the nearest Reliance Store
→ Start or stop services
→ And many more features
→ Live Tile to display Balance and Bill Details