In Hindu Tradition, there is great reverence given to worshipping to relevant gods and performing fire puja to please these gods for purifications and seeking divine blessings for different purposes of life. Some of these are Puja's and Hawan.
One of the most important ways to worship and please the gods in Hindu tradition is the sacrificial fire puja known as Hawan or Yagna. A Yagna is performed to sacrifice our material and spiritual belonging to the lords with devotion for the betterment of society and individual. In a Yagna or Hawan, a fire puja is done in which herbs are sacrificed with chanting the mantras from the Holy Scriptures as an offering to the gods and demi-gods.