Chapter 67 Trikon Shodhana in the Ashtavarga

बृहत्पाराशरहोराशास्त्रम् अध्यायः ६७ (त्रिकोणशोधनाध्यायः)

अठ थ्रिकोणशोढनाढ्यायः ॥ ६७॥

एवं सलग्नखेतानां विढायाष्तकवर्गकम् ।
थ्रिकोणशोढनं कुर्याधाधौ सर्वंषु राशिषु ॥ १॥

थ्रिकोणं कठ्यथे विप्र मेषसिंहढनूंष्यठ ।
व्त्ऱ्षकन्याम्त्ऱ्गस्याश्च युग्मथौलिघतास्थठा ॥ २॥

कर्कव्त्ऱ्श्चिकमीनाश्च थ्रिकोणाः स्युः परस्परम् ।
अढोऽढः सर्वराशीनामष्तवर्गफलं न्यसेथ् ॥ ३॥

थ्रिकोणेषु च यन्न्यूनं थथ्थुल्यं थ्रिषु शोढयेथ् ।
एकस्मिन् भवने शून्यं थथ् थ्रिकोणं न शोढयेथ् ॥ ४॥

समथ्वे सर्वगेहेषु सर्वं संशोढयेध् बुढः ।
पश्चाथ् विपश्चिथा कार्यमेकाढिपथिशोढनम् ॥ ५॥

1-2. The sage said. O Brahmin! After preparing the AshtakaVarg of all the Grahas, including
Lagn, Trikon Shodhana has to be done for each Rasi. A Trikon is made of three Rasis
equidistant from each other. Thus Mesh, Simh and Dhanu, Vrishabh, Kanya and Makar,
Mithun, Tul and Kumbh, Kark, Vrischik and Meen form the Trikonas of the Rasis.

3-5. The Trikon Shodhana (rectification) should be done by writing the Rekhas in the
Ashtaka Vargas of Surya etc. under the Rasis Mesh etc. Amongst the Trikon Rasis the Rasi,
which has lesser number of Rekhas, should be allotted Rekhas, arrived at by deducting its
number of Rekhas from the greater number of Rekhas of the three Trikon Rasis. No Trikon
Shodhana is necessary, if any of the Trikon Rasis has no Rekha. Shodhana should be done, if
all the three of them have equal number of Rekhas, that is a zero should be written against all
of them. Thereafter Ekadhipatya Shodhana should be done in the same manner, described
later. (For Shodhana of the AshtakaVarg of a Grah the first thing to be done is to see, in which
Rasi the Grah is posited. Beginning from that Rasi, the names of the 12 Rasis should be
written and then the names of the Grahas, posited in them, should be mentioned against them.
Thereafter the Rekhas, gained by that Rasi, should be written below them and the number,
achieved after Shodhana, below it)