MB Free Tamil Astrology Software determines your ruling bird on the basis of the Panch Pakshi Shastra based on Tamil Astrology (South Indian Astrology). This program gives you a detailed interpretation of your characteristic traits and personality, your behavioral pattern and your basic nature. The software also helps a person understand his personality and improve himself for the better. It also gives you the days that are good for your ruling bird and the days that are bad for your ruling bird. It is a simple software with an easy-to-use interface.