Simkarma App Free Rs. 40 Mobile Recharge on Downloading Oxigen Wallet App

Simkarma has come up with another offer as deal of the day where they offering free Rs. 40 credit when you download and Register Oxigen wallet app using Simkarma App. You can use this to recharge your mobile Rs. 40 for free.
https://play.google.com/store/apps/details?id=com.textmeinc.topmeup&hl=en