Affiliate Marketing Secrets

This question has been asked by others and responses are that to
1)beware of scam and frauds to earn PP money,
2)To earn through blogging or adsense or others and also
3)to transfer through bank account.
The last option isnt possible as Paypal doesnt support Indian banks and 2nd option is fine but
Is there any such where we can pay the national currency and get it in paypal money or any other means..
I once got PP money from a friend who had a credit card and he sent me fund.So was thinking any trustable organisation or such who would do to earn a few credits…?