At the commencement of a dasha, if its lord stands in the lagna receiving a benefic aspect, being exalted, in own sign or a friendly sign, the fruits of that dasha are auspicious.
Verse 4 — Powerful Sun Dasha Grants Great Happiness
When the Sun is in his mulatrikona, own sign, deep exaltation, or in a kendra or trikona, joined with the lords of fortune and action, the Sun's dasha brings immense joy.