Lord Dhanavantari will be invoked and moola mantra of Vishnu in the form of Dhanavantari will be chanted 10,008 times to plead for fast health recovery in case of any health condition, ailments or diseases. If you are doing for general health and well-being, then special prayers will be offered to keep you healthy throughout your life. The havan begins with a Ganapati puja and invoking all the vedic Hindu deities as well as the 9 planets navagrahas in vedic astrology. The Sun is offered special prayers since without the Sun there is no energy and no life. Savitri, the rays of the Sun, are invoked to destroy any disease in our body and to energize us with radiant health so that we can enjoy pink health till our last breath.