Phaladeepika
कालचक्रदशा ज्ञेया चन्द्रांशेशे बलान्विते । सदा नक्षत्रमार्गेण दशा बलवती स्मृता ॥ ३०॥
Kalachakra Dasa system has to be resorted to only when the lord of the Navamsa occupied by the Moon is strong. The Dusa calculation as per Nakshatra method is always considored as the best
english translation
kAlacakradazA jJeyA candrAMzeze balAnvite । sadA nakSatramArgeNa dazA balavatI smRtA ॥ 30॥
hk transliteration by Sanscript