1
Morning Bath, Altar Setup & 16-Friday Sankalp (संकल्प एवं वेदी)
Rise at dawn on the first Friday. Bathe, wear clean festive garments, and spread a red cloth upon a wooden chowki. Install the sacred image of Maa Santoshi. Take water and akshat in hand and resolve to observe the vrat for 16 consecutive Fridays.
Sacred Vedic Mantra
ॐ श्रीं संतोषी महादेव्यै नमः। सर्वसंकट-विनाशिन्यै नमः॥
2
Kalash Sthapana & Offering Gur-Chana Naivedya (कलश एवं गुड़-चना)
Place a water-filled Kalash before Maa Santoshi and cover it with a small bowl filled with roasted chana and pieces of jaggery. Anoint the Kalash with red roli and akshat, and light the sacred ghee lamp.
Sacred Vedic Mantra
गुड़-चणक-समायुक्तं नैवेद्यं प्रतिगृह्यताम्। भक्त्या समर्पितं देवि संतोषी वरदा भव॥
3
Recitation of Santoshi Mata Vrat Katha & Aarti (कथा एवं आरती)
Hold a small piece of jaggery and a few grains of roasted gram in your right hand. Attentively read or listen to the sacred tale of the youngest daughter-in-law's tribulations and Maa Santoshi's miraculous grace. After completing the story, place the hand-held prasad into the Kalash bowl and sing 'Jai Santoshi Mata' Aarti.
Sacred Vedic Mantra
जय सन्तोषी माता, मैया जय सन्तोषी माता। अपने सेवक जन को, सुख सम्पति दाता॥ ॐ जय सन्तोषी माता॥
4
Strict Observance of the No-Sour Vow (खटाई का पूर्ण त्याग नियम)
Throughout the fasting day, you must neither consume nor serve any sour item (such as lemon, tamarind, curd, amchur, vinegar, or sour fruits) to anyone in the household or outside. Anger, deceit, and arrogance must also be avoided.
Sacred Vedic Mantra
ॐ शान्तायै नमः। ॐ सर्वसौभाग्यदायिन्यै नमः॥
5
16th Friday Grand Udhyapan & Feeding 8 Boys (१६वें शुक्रवार उद्यापन)
Upon completing the 16th Friday, organize the Udhyapan. Prepare sweet rice kheer, puris, and roasted gram halwa. Invite 8 young boys (or Brahmin youths), wash their feet, serve them the sweet meal with reverence, and offer them fruits, school notebooks, and sweet dakshina. Never give them money to buy sour sweets.
Sacred Vedic Mantra
यस्य स्मृत्या च नामोक्त्या तपोयज्ञक्रियादिषु। न्यूनं सम्पूर्णतां याति सद्यो वन्दे तमच्युतम्॥