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Rao permits the major-period lord as a temporary lagna for antardasha analysis.
Treat this as one stated lens and retain the natal reference frame.
P. V. R. Narasimha Rao, Vedic Astrology: An Integrated Approach, §16.5.1 (physical p. 226) ↗
Count it for yourself
Atlas worked example: Venus in Aries serves as the major-period reference and Mercury in Virgo as the subperiod lord. Mercury is sixth from Venus; the reverse count is eight. The original natal houses remain separately visible.
If both periods name Venus, one placement is considered at two levels of the period hierarchy. It is not two independent pieces of evidence. Selecting a different sidereal reference may change the displayed natal signs and their relationship.
Use it with your chart
Choose the sidereal Moon reference and year length, then select a major and subperiod. The selected reference also supplies the natal lord positions. Compare the two directed sign counts, review missing chart conditions and export the same selected reading.
The personal reading above follows your current period selection. The JSON download retains the calculation choices, source references and glossary entries so the same reading can be reviewed later.
Word origin · etymology
Dasha-lord reference is an Atlas modern descriptive label.
This descriptive label combines dasha, meaning period in the cited teaching, with the English words lord and reference. It is not presented as an ancient Sanskrit technical compound.
P. V. R. Narasimha Rao, Dasa Analysis introduction, physical219 ↗
How we know · epistemology
A documented Jyotish reading convention, exposed as an optional reference frame in Atlas.
It organizes subperiod analysis; it does not independently establish an event forecast.
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Sources & provenance
Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.