15 out of 36 gunas falls below 18 — the classical pass mark in kundli matching (Gun Milan). Traditionally, a total below 18 is read as not recommended on the guna count alone. That reading is about the total, not about the two people or their relationship, and it's the start of a proper look, not the end of one.
A 15 that lost its biggest single chunk to one heavy koota — Nadi (8 points) or Bhakoot (7 points) — is a very different chart pair from a 15 built from small losses spread across several minor kootas. The headline number never shows which is which.
Where the number comes from: the Ashtakoot system
Kundli matching in North-Indian Vedic astrology uses Ashtakoot Milan — the "eight-fold" (ashta = eight, koot = category) comparison of the bride's and groom's birth charts, based mainly on the Chandra rashi (Moon sign) and nakshatra (birth star) of each person. Each of the eight kootas is worth a fixed number of points, adding up to 36:
| Points | Koota | What it weighs |
|---|---|---|
| 1 | Varna (वर्ण) | Ego / work-nature compatibility |
| 2 | Vashya (वश्य) | Mutual influence, give-and-take |
| 3 | Tara (तारा) | Birth-star health & wellbeing |
| 4 | Yoni (योनि) | Instinctive / physical compatibility |
| 5 | Graha Maitri (ग्रह मैत्री) | Mental affinity, friendship of the two Moon-sign lords |
| 6 | Gana (गण) | Temperament type (dev / manushya / rakshasa) |
| 7 | Bhakoot (भकूट) | Emotional bond & family wellbeing |
| 8 | Nadi (नाड़ी) | Constitution (Aadi / Madhya / Antya) & progeny |
Add the eight and you get a score out of 36. That single figure — the गुण guna score — is what "15/36" or "18/36" refers to.
What a below-18 score traditionally means
18 is the floor the classical texts set for recommending a match on the guna count alone. A score under that line — 15 included — is traditionally read as not recommended purely on the numbers. That's a statement about the arithmetic of eight kootas, not a statement about whether two specific people will have a good marriage.
| Score | Traditional reading |
|---|---|
| Below 18 | Not recommended on gunas alone — 15 sits here |
| 18 – 24 | Acceptable (madhyam) |
| 25 – 32 | Very good compatibility |
| 33 – 36 | Excellent (rare in practice) |
Different lineages draw these band lines slightly differently, and Ravitra's in-app summary uses its own bands — it always shows the eight kootas alongside, never the total alone, and it does not read a low total as a refusal.
The question that matters more: which kootas cost the points
A 15 is not one thing. Because the 36 points split across eight kootas of very unequal weight — from 1 point (Varna) to 8 points (Nadi) — the same total can come from very different chart pairs:
- Nadi dosha (नाड़ी दोष) — worth 8 points, the single biggest koota. Losing it alone takes a chart that clears everything else down to 28 — but on a chart that was already middling, those 8 points are enough to drop the total below the 18-point line.
- Bhakoot dosha (भकूट दोष) — worth 7 points, tied to the Moon-sign positions between the two charts. Nadi and Bhakoot together are 15 of the 36 points — lose both and the total is capped at 21, so a 15 means the smaller kootas gave up ground as well.
- Several small losses — a chart could instead clear Nadi cleanly and lose Bhakoot along with several of the smaller kootas, and land at the same 15.
Both Nadi and Bhakoot dosha have recognised cancellation (parihara) conditions in the classical texts, which a raw number never shows. Separately, Mangal dosha (मंगल दोष / manglik) is not part of the 36-guna count at all — it's checked independently on both charts, so a 15/36 score says nothing either way about whether either person is manglik.
The honest takeaway: a below-18 total is a real signal worth taking seriously, but it's a filter built from eight kootas of unequal weight, not a verdict on two people. See which kootas actually drove the number down, weigh that against the Mangal dosha check separately — before reading 15 as a flat no. If a chart genuinely doesn't support a match on the numbers, the honest thing is to say so plainly, not to soften it — but "the numbers don't support it" and "the marriage is doomed" are not the same sentence.
How Ravitra reads a match
Ravitra runs the full Ashtakoot Milan the classical way — all eight kootas scored and shown individually, so a low total never hides which koota caused it — plus a separate Mangal-dosha read whose own classical cancellation conditions are checked against both charts. It explains the result in plain words: what the score means for you, where the strengths are, and where the chart stays quiet. No fear, no fake muhurat dates, nothing to buy.
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Get it onGoogle PlayFrequently asked questions
Is 15 out of 36 gunas a bad score?
15/36 falls below 18, the classical pass mark in kundli matching — traditionally read as not recommended on gunas alone. But that reading is about the total, not the marriage. The number that matters more is which kootas cost the points, since two charts scoring 15 can have completely different kootas driving the shortfall.
Does a 15/36 score mean the marriage cannot happen?
No. It means the eight-koota comparison, on its own, doesn't clear the classical threshold. It is not a verdict on two people or their relationship — it is a filter built from Moon-sign and nakshatra math. Families historically used it as one input among several, alongside Mangal dosha, the Navamsa (D9) and everything else two people bring to a marriage that no chart measures.
Why is Nadi worth checking separately at a low guna score?
Nadi is worth 8 of the 36 points, the single largest koota. Losing it alone can push an otherwise reasonable total below 18. The classical texts also define cancellation (parihara) conditions for Nadi dosha — so a low total that traces back mainly to Nadi is a different situation from one where several smaller kootas were each weak.
Can a below-18 guna score improve or change?
The Ashtakoot total itself is fixed math from two birth charts — it doesn't change. What can change is the reading: looking at the individual kootas rather than the sum alone, and weighing whether Nadi or Bhakoot dosha's recognised cancellation conditions are a question worth putting to a proper reading of these two charts. That's a finer read, not a different number.
What should I check instead of just the guna total?
Which of the eight kootas scored zero or low, and a separate Mangal dosha check on both charts — Mangal dosha isn't part of the 36-guna count at all. The Navamsa (D9) is the classical varga read for marriage strength, though it sits outside the 36-point count.
Reviewed for classical accuracy · September 2026
Sources: The eight-fold Aṣṭakūṭa (36-guṇa) compatibility system — Muhūrta Cintāmaṇi of Rāma Daivajña, Vivāha Prakaraṇa, and the broader Vedic vivāha-milana (muhūrta) tradition. The Graha-Maitri koota's planetary-friendship basis follows Bṛhat Parāśara Horā Śāstra.
Grounded in the classical Vedic corpus and computed on the Lahiri (Chitrapakṣa) sidereal zodiac. Ravitra states timing as windows, never exact dates, and never sells remedies.