A strict definition
Requires all seven planets on one side of the Rahu-Ketu axis, not a loose approximation.
Over-diagnosed
Frequently applied to charts that don't strictly meet the technical condition.
Worth rechecking properly
A precise recheck often brings relief rather than confirmation.
Why This Question Comes Loaded With Anxiety
"Kaal Sarp Dosha" tends to arrive in conversation already dressed up as a serious life-obstacle, often based on a quick online chart check or a previous astrologer's cursory glance. See the fuller explanation at Kaal Sarp Dosha for the complete technical detail, but the short version deserves repeating here: it's genuinely over-diagnosed.
What the Actual Condition Requires
For Kaal Sarp Dosha to strictly apply, all seven other classical planets need to sit within the arc between Rahu and Ketu — every one of them, not most. A lot of charts labelled with this dosha don't actually meet that bar when checked precisely, which is why a proper recheck matters before assuming the worst.
Being told you have a dosha and actually having it, checked precisely, are sometimes two very different things.
— Prof. Subhas SastriFrequently Asked Questions
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Written by Prof. Subhas Sastri
Astrologer & palmist, Bankura — Jyotish Padma Bhusan Award (2016)