Rajju Porutham Explained — Complete Guide for Gounder Families

June 9, 2026 · 10 min read · MatrimonyTrust

For Kongu Vellala Gounder families, Rajju Porutham is not just one of the 10 Poruthams — it is the most important. A Rajju mismatch is traditionally treated as a hard stop, regardless of how well other compatibility checks score. This guide explains exactly what Rajju Porutham is, how it is calculated, and why it matters so much in Gounder marriages.

What Is Rajju Porutham?

Rajju Porutham is a compatibility check based on the Rajju (literally "rope" or "thread") group of each person's birth star (Nakshathiram). All 27 Nakshathirams are divided into 5 Rajju groups. Rajju Porutham checks whether the bride and groom belong to the same Rajju group — if they do, the match is traditionally considered inauspicious.

Among the 10 Poruthams, Rajju and Vedha are considered the most critical. Some Gounder families use Rajju as the single most important filter — if Rajju does not match, no other Porutham matters.

The 5 Rajju Groups

The 5 Rajju groups are named after parts of the body. If both the bride and groom's Nakshathirams fall in the same group, the Rajju is said to "afflict" that body part — traditionally associated with harm to the couple.

Note: Nakshathiram names are given in the most common transliteration used in Tamil Nadu. Variations exist across different sources.

How Rajju Porutham Is Calculated

To check Rajju Porutham: find the Rajju group of the bride's Nakshathiram and the groom's Nakshathiram. If both are in the same Rajju group, the Rajju is said to "match" in a negative sense — meaning the pairing is inauspicious. A good Rajju match means the two Nakshathirams are in different Rajju groups.

MatrimonyTrust's AI horoscope engine calculates Rajju Porutham automatically for all profiles that have provided their Nakshathiram. The result is shown on the profile browse card as part of the overall Porutham score — and Rajju mismatches are flagged with a warning icon.

What Happens If Rajju Mismatches?

In traditional Kongu Vellala Gounder practice, a Rajju mismatch typically means the match is not pursued. Different Rajju groups are said to affect different aspects of the couple's life — Siro Rajju (head) mismatch is traditionally considered the most serious. Most families consult their family astrologer or follow the guidance of elder family members.

On MatrimonyTrust, a Rajju mismatch does not automatically block the profile — it shows a clear warning, and the user can apply a "Rajju safe only" filter in the Discover section to see only compatible profiles.

Rajju Porutham vs. the Other 10 Poruthams

The 10 Poruthams in Tamil astrology are: Dinam, Gana, Mahendra, Stree Deergha, Yoni, Rasi, Rajju, Vedha, Vasya, and Nadi. Each carries a different weight. Here is the relative importance for Kongu Vellala Gounder families:

• Critical (must match): Rajju, Vedha
• Important: Nadi, Gana, Yoni
• Supporting: Dinam, Rasi, Vasya, Mahendra, Stree Deergha

MatrimonyTrust calculates all 10 and gives an overall score out of 10. Free users see the total score. Premium users see the full breakdown in detail.

Frequently Asked Questions

What is Rajju Porutham?

Rajju Porutham is the most critical of the 10 Poruthams in Tamil astrology. It determines long-term life compatibility based on the Rajju group of each person's birth star. A Rajju mismatch — both bride and groom in the same Rajju group — is traditionally treated as inauspicious in Kongu Vellala Gounder marriages.

What are the 5 Rajju groups?

Pada Rajju (foot), Kati Rajju (hip), Nabhi Rajju (navel), Kanta Rajju (throat), and Siro Rajju (head). Each of the 27 Nakshathirams belongs to one group. Marriage within the same group is inauspicious; different groups indicate a compatible Rajju match.

Can Rajju Porutham be overcome?

In strict Kongu Vellala Gounder tradition, Rajju mismatch is generally not overcome by other Poruthams or remedies. Most families treat it as a non-negotiable filter. Some families with guidance from their family astrologer may consider exceptions if all other Poruthams score very high.