They have made a specific link for Uttrakhand Tragedy affected personnel and which has presently close to 3000 person data. This is what we call as the correct use of the technology for the betterment of the human being.
Google Person Finder and update the data if you have any as correct collation of data can help a number people looking for their near and dear ones. Google had earlier also come with Google Crisis Map on similar lines. Yahoo can also learn a bit from Google and be of some use productively for Indian citizens and only then it can take Google Bull by horns.