Yajnas at a large scale are required to be performed to purify the subtle environment and destroy pollution permeating the atmosphere. It infuses religious favor and enthusiasm in the participants and they also get an opportunity to take a vow to give up vice by way of devdakshina and adopt one virtue or righteous tendency.
Every Saturday and on every festival, Hawan is performed religiously and all the classes get a chance is attend Hawan once or twice in a year.