Cashing Inn

MensXP has the best list for this purpose. Just read between the lines in the original article as it addresses possible issues for Indian users

Ten ways to make money without working

1. Rent out a room
2. Invest
3. Clinical medical trial
4. Sell stuff
5. Earn interest
6. Play poker professionally
7. Take surveys
8. Host a website/blog
9. Become a baby/pet sitter
10. Win the lottery