Dīkṣā-bhedaḥ (Types of Initiation) — Lalitopākhyāna: Hayagrīva–Agastya Dialogue
अभ्यर्च्य गन्धपुष्पाद्यैर्धूपदीपादि दर्शयेत् / श्रीचिन्तामणिमन्त्रं तु हृदि मातृकमाजपेत्
abhyarcya gandhapuṣpādyairdhūpadīpādi darśayet / śrīcintāmaṇimantraṃ tu hṛdi mātṛkamājapet
Having worshiped with fragrance, flowers, and other offerings, present incense and the sacred lamp; then, within the heart, softly perform japa of the Śrī Cintāmaṇi mantra together with the Mātṛkā.