Fire sacrifice to be done by all (aupasana)

Aupasana is the fire sacrifice (agni homa) to be done by all.

For more details about it refer -
1. Aupasana.com
2. http://www.kamakoti.org/hindudharma/part19/chap2.htm
3. http://www.kamakoti.org/hindudharma/part19/chap4.htm (aupasana to be performed by women) 

How to perform aupasanam?

(Do sandhyavandhanam)
For sandhyavandhanam refer -

http://www.vishuji.org/sandhya_worship1.htm
http://hinduonline.co/DigitalLibrary/SmallBooks/UpakarmaVidhanaSanEng.pdf
http://sanskritdocuments.org/doc_veda/Sandhyavandanam.pdf


Ohm bhur bhuva swah I 
(Light the fire with cow dung cake and little ghee. Can also use camphor)

Ohm aditeanumanyasva II (spray water at right side of homa gunta - bottom to top)

Ohm anumatheanumanyasva II (your side right to left)

Ohm saraswathenumanyasva II (left side - bottom to top)

Ohm devah savithah prasuvah II (around from left bottom to right bottom)

Chathvari shrungaaha – thrayo asya paadhaaha – dve sheershe asya I

Thridha badhdha – vrushabhaha – roraveethi – 

mahadevaha – marthyaan – avivesha I

Esha he devaha – pradhishaha – anusarvaaha – 

puurvaahi – jaathaha – sa u garbhe – anthaha I

Sa vijaayamaanaha – sa janishyamaaNaha – 

prathyangmukhaaha thishtathi – vishvatho mukhaha I

Prangmukho deva he agne mama abhimukhe bhava II

Agnyalankaranam

Indhraya namaha I yamaaya namaha I

Nirruthaye namaha I varunaaya namaha I

Vaayave namaha I somaya namaha I

Ishaanaya namaha I agnaye namaha I

Aathmane namaha I sarvebhyo braahmanebhyo namaha I

(Offer the rice to the fire while saying “swaha” in the below mantra)

(morning) Suryaya swaha I Suryaya idham na mama I

Agnaye svishtakruthe swaha I agnaye svishtakrutha idham na mama II

(evening) Agnaye swaha I Agnaye idham na mama I

Agnaye svishtakruthe swaha I agnaye svishtakrutha idham na mama II

(Chant the following mantra offering one samith in the fire while saying “swaha”)

Age naya supathaa raaye asmaana visvaani deva vayunaani vidvaan I

yuyodhyasmajjuhuraaNameno bhuuyishtaam the nama ukthim vidhema swaaha II

(then can meditate for few minutes)

Ohm aditeanvamaghusthaaha II (spray water at right side of homa gunta - bottom to top)

Ohm anumatheanvamaghusthaaha II (your side right to left)

Ohm saraswatheanvamaghusthaha II (left side - bottom to top)

Ohm devah savithah praasaavihi II (around from left bottom to right bottom)

Agnerupasthanam karishye II

Raksha I (apply the bhasmam in between the eyebrows, chanting the manthra below)

Bruhath saama kshathrabhrudh – vrudhdha vrushniyam –

thrishta bhaujashshbhitha – bhugraveeram I

indhrasthomena panchadhashena

madhyamidham vaathena sagareNa raksha II

manthra heenam kriyaheenam bhakthiheenam huthashana I

yadh huitham thu maya dheva paripurnam thadhasthu the II

prayashchiththaanyasheshaaNi  thapaha karmaathmakaaniv vai I

yaani theshaamasheshaaNam krushnaanusmaraNam param II

shri krushna krushna krushna I abhivaadhaye II

(then say samarpana manthra of sandhyavandhanam)