गान्धर्व तन्त्र (शैव-शाक्त आगम - मन्त्र-रहस्य, यन्त्र एवं देवतोपासना सटीक)

In the 5th, the four forms of Mahātripurasundarī i e.
Kameśvarī, Vajreśvarī, Bhagamālinī and Mahātripurasundarī
are to be contemplated upon below the Liṅga, in the heart, in
the middle of the eyebrows and in the cavity in the head,
with the four famous centres of her worship and their
priests. The mantras to be uttered are (1) ऐं अग्निचक्रे कामगिरि-
पीठे मित्रेशनाथात्मके कामेश्वरीरुद्रात्मशक्ति श्रीपादुकायै नमः (2) क्लीं सूर्यचक्रे
जालन्धरपीठे षष्ठीशनाथात्मक वज्रेश्वरीविष्ण्वात्मशक्तिश्रीपादुकाये नमः (3)
सौः सोमचक्रे पूर्णगिरिपीठे उड्डीशनाथात्मके भगमालिनीब्रह्मात्मशक्तिश्रीपादुका-
यै नमः (4) तुर्यबीजं ब्रह्मचक्रे उड्डियानपीठे चर्यानाथात्मके परब्रह्मात्मशक्तिश्रीपादु-
काये नमः
In the 6th, the three tattvas Ātma, Vidyā and Śiva are
to be located in the three parts of the body viz (1) from
feet to the place below the Liṅga, (2) thence to heart, (3)
from the heart to the middle of the eyebrows, uttering the
following mantras -
1 ऐं आत्मतत्त्वव्यापिकायै महात्रिपुरसुन्दर्यै नमः ,
2 क्लीं विद्यातत्त्वव्यापिकायै महात्रिपुरसुन्दर्यै नमः ,
3 सौः शिवतत्त्वव्यापिकायै महात्रिपुरसुन्दर्यै नमः
In the 7th, the three Kutas of Śrīvidyā are to
be located in hands etc, individually and the fourth bījā is to
have its place in the cavity in the head The fifteen syllabes of
the Pañchadaśī are located in the cavity in the head, Mūlādhāra,
heart, eyes, ears, mouth, arms, back, knees and navel
In the 8th, the practitioner is to consider himself as
endowed with a body of mantras and meditate upon Śrīvidyā