It depends to type of ads and keywords. If someone clicks an software ad, you can get Rs. 50 per click and for uninteresting ad, you can get Rs 5 per click.
Like abhi2.0 said, no one can really tell how much you can earn per click. It really depends on the keyword and the ad that a visitor clicks. A click could range anywhere from $0.1-$1 and even more. SticKer