Why we use aam ki lakdi in hawanThere is no law of worship without havan in Sanatan Dharm. Havan can also be done in 10 to 15 minutes. Havan can be done anywhere in a clean and pure place, Havan can also be done with limited means.
Why is Terahvi done after death?In Hindu religion, mourning is observed for 13 days after death and then on the thirteenth day a Brahmin feast is held so that the soul of the deceased may find peace and a place in the abode of God. This period of thirteen days is known as Terahvi. According to Garuda Purana, if the thirteenth of the deceased is not performed, then his soul keeps wandering in the Pishacha (vampire) Yoni.
Snana YatraSnana Yatra which is also known as Devasnana Purnima or Snana Purnima.