Mangal dosha (Kuja dosha, Manglik dosha), the honest view. The rule (Mars in the 1st, 4th, 7th, 8th or 12th house, the 2nd in many South Indian traditions, counted from the ascendant and often from the Moon and Venus) and where it comes from (later and regional tradition, not BPHS); how common it really is, computed with the Sunyra engine over 20,000 random birth moments (about 5 in 12 charts from the ascendant, about half with the 2nd house, almost 9 in 10 counted from ascendant, Moon or Venus); what Mars in these houses describes; the commonly listed cancellations (own sign or exaltation, Jupiter, sign-specific exceptions, Moon or Venus only, both partners manglik); two myths ("it ends at 28"; "two mangliks clash"); and how to check it properly.
Sources: later and regional tradition (not BPHS); Muhurta Chintamani of Rama Daivajna. Frequencies computed with the Sunyra engine (1950–2010, New Delhi, Lahiri, whole-sign houses).
Mangal dosha: the rule, cancellations and context (free): https://sunyra.ai/yogas/mangal-dosha/
Match two charts, free (Mangal dosha with its cancellations): https://sunyra.ai/matching/
Guna Milan explained: https://sunyra.ai/life-areas/guna-milan-ashtakoota-explained/
Want both charts read together in depth? The Marriage Report (both charts, guna milan, ten years together; about 300 pages, predictions first, US$18): https://sunyra.ai/reports/relationship/
Free kundli: https://sunyra.ai/kundli/
Chapters
0:00 One factor, much worry
0:38 The rule
1:21 How common is it?
2:06 What it describes
2:40 The cancellations
3:36 Two myths
4:17 Checking it properly
4:58 Recap
Image credits (public domain and Creative Commons, used under their licences; cards and diagrams are original)
- NASA, ESA, and STScI · Public domain · commons.wikimedia.org/wiki/File:Mars,_image_taken_by_NASA%27s_Hubble_Space_Telescope,_July_2018.png
- Omarius257 · Public domain · commons.wikimedia.org/wiki/File:OSIRIS_Mars_in_true_color.png
- US Gov. NASA, (Editor:) Micha L. Rieser · Public domain · commons.wikimedia.org/wiki/File:Mars_Valles_Marineris-Edit-MichaLR.jpg
- Image by NASA, modifications by Seddon · Public domain · commons.wikimedia.org/wiki/File:Olympus_Mons_alt.jpg
- E. A. Rodrigues · Public domain · commons.wikimedia.org/wiki/File:Angraka_graha.JPG
- Wmpearl · CC0 · commons.wikimedia.org/wiki/File:Krishna_and_Radha,_Kangra_school,_watercolor_and_gold,_Tokyo_National_Museum.JPG
- Kangra, late 18th c. (Cleveland Museum of Art) · CC0 · commons.wikimedia.org/wiki/File:Northern_India,_Himachal_Pradesh,_Kangra,_late_18th_century_-_Hindola_Raga_-_1975.9_-_Cleveland_Museum_of_Art.tif
- Raja Ravi Varma · Public domain · commons.wikimedia.org/wiki/File:Damayanti_listens_to_the_message_of_her_beloved_Nala_brought_by_the_Swan_-_Raja_Ravi_Varma.jpg
- Daderot · CC0 · commons.wikimedia.org/wiki/File:Astrolabe,_c._1601,_Isa_ibn_Allahdad,_Indo-Persian,_brass_-_Art_Institute_of_Chicago_-_DSC09729.JPG
Mangal dosha is one factor in matching, never a verdict on a m