As mentioned, Google is celebrating St. Patrick's Day with its annual doodle, but in India, it's celebrating Holi (the festival of colors) with one.
Holi is a spring festival also known as the festival of love, and has become popular throughout South Asia over the years. It's primarily observed in Indian and Nepal.
Google had this to say about it this morning.
Here are some of the early results from Google's link (a search on Google+):
Image via Google