Shri Krishna: Sir,What are the samgri to be used as POORNAHUTI at the end of the Hawan.I will be obliged if you favor me with your answer. Thank you.
Swami Ram Swarup: My blessings to you. In the poornnahuti the normal samgari which is purchased from the market can be used however to purify the atmosphere more and to get more benefit ,extra twenty-one herbs and full coconut duly filled with desi ghee may also be used.

21 best herbs for Havan

KASTURI, KESAR, AGAR-TAGAR, CHANDAN, JATAMASI, ELAYCHI, JAYFAL, JAVITRI, GOOGAL, NAGARMOTHA, BALCHHAD, SUGANDHBALA, DALCHINI, JAU, GILOYA, CHUARA, BADAM, AKHROT, BANAKSHA, GUD, AND KISHMISH.

Sunil: What is the significance of lighting mustard oil? I it good or bad?
Swami Ram Swarup: To burn the mustard oil deep is good because it improves the eye sight.