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'''Aupasana''' (Samskrit : औपासन) is one of the Smarta Yajnas performed daily by a grihasthas who have been initiated during marriage.  Aupasana, which must be performed every day, is commenced in this fire and it must be preserved throughout one's life. The seven pakayajnas, rites including [[upanayana]] and [[shraaddha]], must be conducted in the aupasana fire. The son lights his aupasana fire during his marriage from his father's aupasana fire. The son's fire, like his father's, must be maintained throughout his life. Thus, without any break, the sacred fire is kept burning in the family generation after generation.

'''Aupasana''' (Samskrit : औपासन) is one of the important Smarta Yajnas performed daily by grihasthas who have been initiated during marriage.  Aupasana, which must be performed every day, is commenced in the Grhyagni (Aupasanagni) and it must be preserved throughout one's life. The seven pakayajnas, rites including [[upanayana]] and [[shraaddha]], must be conducted in the aupasana fire.<ref name=":0">Sri Sri Sri Chandrasekharendra Saraswathi Swamiji, (2000) ''[http://www.kamakoti.org/hindudharma/part5/chap5.htm Hindu Dharma (Collection of Swamiji's Speeches between 1907 to 1994)]''Mumbai : Bharatiya Vidya Bhavan</ref>

All rites in which the aupasana fire is used and pertain to an individual and his family are "Grhyakarmas". The seven pakayajnas also belong to this category. They are related exclusively to the family and are not very elaborate. Even so they are conducive to the good of the world outside also. [[Grhyasutras]] deal with such rites. They belong to the [[Smritis]] and so are called "Smarta-karmas".

=== औपासन ॥ Aupaasana ===

All rites in which the aupasana fire is used and pertain to an individual and his family are "Grhyakarmas". They are related exclusively to the family and are not very elaborate. Even so they are conducive to the good of the world outside also. [[Grhyasutras]] deal with such rites. They belong to the [[Smritis]] and so are called "Smarta-karmas". The seven Pakayajnas also belong to this category.<ref name=":0" />

Ekagni is the sacred fire in which the the chaitanyam of the creating-energy is meditated and Vhree (Rice grain) is offered to the Agni with recitation of prescribed mantras and is called as Aupasana.

== Etymology ==

According to Vachaspatyam<ref>Vachaspatyam ([https://sa.wikisource.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%9A%E0%A4%B8%E0%A5%8D%E0%A4%AA%E0%A4%A4%E0%A5%8D%E0%A4%AF%E0%A4%AE%E0%A5%8D/%E0%A4%94 See Aupasana])</ref> Aupasana is given as <blockquote>उपास्यते प्रतिदिनमित्युपासनो गृह्योऽग्निस्तत्र भवः अण् । गृह्याग्नौ कर्त्तव्ये सायंप्रातर्होमादौ कर्म्मणि । गृह्याग्निश्च विवाहाग्निः । </blockquote>That Agni which is worshipped at home everyday. Grhyagni in which the morning and evening homa kriyas. Grhyagni is Vivahagni.

During vivaha samskara the one is initiated to enter the grihasta ashram by setting up the आवसथ्याग्निः ॥ Avasatyaagni<ref>[https://sa.wikisource.org/wiki/%E0%A4%AA%E0%A4%BE%E0%A4%B0%E0%A4%B8%E0%A5%8D%E0%A4%95%E0%A4%B0%E0%A4%97%E0%A5%83%E0%A4%B9%E0%A5%8D%E0%A4%AF%E0%A4%B8%E0%A5%82%E0%A4%A4%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A5%8D Paraaskara Grhya Sutras]</ref> to the north of the vedi. (Paaraskara Grhya Sutra Adhyaya 1 Kandika 2 Mantra 1) <blockquote>आवसथ्याधानं दारकाले १ दायाद्यकाल एकेषाम् २ ॥ āvasathyādhānaṁ dārakālē 1 dāyādyakāla ēkēṣām 2 (Paara.Grhy.Sutra. 1.2.1).</blockquote>Meaning : The setting up of Aavasatya agni is (performed) at the time of wedding. At the time of inheritance according to some.

During vivaha samskara one is initiated to enter the grhasta ashram by setting up the आवसथ्याग्निः ॥ Avasatyaagni<ref>[https://sa.wikisource.org/wiki/%E0%A4%AA%E0%A4%BE%E0%A4%B0%E0%A4%B8%E0%A5%8D%E0%A4%95%E0%A4%B0%E0%A4%97%E0%A5%83%E0%A4%B9%E0%A5%8D%E0%A4%AF%E0%A4%B8%E0%A5%82%E0%A4%A4%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A5%8D Paraaskara Grhya Sutras]</ref> to the north of the vedi. (Paaraskara Grhya Sutra Adhyaya 1 Kandika 2 Mantra 1)<blockquote>आवसथ्याधानं दारकाले १ दायाद्यकाल एकेषाम् २ ॥ āvasathyādhānaṁ dārakālē 1 dāyādyakāla ēkēṣām 2 (Para.Grhy.Sutra. 1.2.1)</blockquote>Meaning : The setting up of Aavasatya agni is (performed) at the time of wedding. At the time of inheritance according to some.

He receives additional procedures to perform nityakarma. A few features include  

He receives additional procedures to perform nityakarma. A few features include  

* Nitya agnihotra is not to be performed by an uninitiated bachelor or widows.   

* Nitya agnihotra is not to be performed by an uninitiated bachelor or widows.   

==References==

==References==

*[http://www.kamakoti.org/hindudharma/part19/chap2.htm Aupasana from ''Hindu Dharma'']<references />

*<references />