The ritual you’re referring to - "Pooram Kazhithal" - is a beautiful and symbolic moment in the Tamil Brahmin wedding tradition, usually done the evening before the actual Muhurtham. It’s all about preparing the bride spiritually and culturally to enter her new stage of life as a Sumangali (married woman).
Now about the 9 gajam madisar - here’s why it’s significant during Pooram Kazhithal:
In Tamil Brahmin culture, the madisar saree (especially the 9-yard one) is worn by married women, particularly during important religious functions and rituals. Even though the girl is not yet married, during Pooram Kazhithal, she is made to wear the madisar as a mark of transformation — from a kanyaa (unmarried girl) to a Sumangali.
It’s symbolic - she’s being mentally and spiritually made ready to take on her new role.
The idea is that from this moment, she’s no longer seen just as a daughter, but as someone stepping into her duties as a wife, daughter-in-law, and future mother. Wearing the madisar signifies maturity, responsibility, and tradition.
Also, during the Pooram Kazhithal, they remove any earlier worn ornaments and simple pooram (decorations), and the bride is dressed up again in a more dignified way with kondai, kunkumam, and full madisar like a married woman would be. It’s a shift from playful girlhood into the dignity of married life.
In a way, this ritual is a bridge between two identities - and the 9 yards represents tradition, grace, and the power of feminine energy in its fully awakened, auspicious form.