Bing Rewards program can help you to earn credits for searching on Bing or trying new features from Bing or other Microsoft products and services, which can be redeemable for a variety of gifts and other rewards. If you are in India, now you can register for it (which is free) and start rewarding yourself by just searching on Bing.com.
If you are new to this, checkout the blog posts and register for this free program. Start searching on Bing, start earning some rewards just for your searches.