If you want to earn money online and want only little part time revenue, in around $200 (Rs.2,0000+), then PTC sites are the excellent way to earn.
Now, here all you need to do is to click and view the advertisements for 10 to 30 seconds and get yourself rewarded for each and every advertisement you watch.
There are so many websites where you can sign up and make money by watching ads. All these websites are, no investment at all.
You can check the following list to start earning from it.