I have recently come through some websites which is providing free recharges and it is 100% genuine websites.
1) To recharge your mobile for free without any investment
register yourself at this website :click here..
Many other websites checks if you have some balance around 500 to pay you but from this website you can start recharging your phone on the day you register.
I highly recommend it as it supports all operators like loop, idea, Vodafone, Airtel, Aircel, Uninor etc and many others.
To start your account and start recharging or making money just click here.
other website which is useful for free recharge is http://www.99localads.com/free_recharge.php
You can also advertise, buy or sell your products for free