Google Q&A
Google Search: what is the population of India now returns:
India Population: 1,065,070,607 (July 2004 est.) According to http://www.cia.gov/cia/publications/factbook/fields/2119.html
right at the top of the results. Google says it works for "celebrities, countries of the world, the planets, the elements, electronics, movies, and anything else we've thought of so far".