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

In this Patala is given the Kavacha of Rājarā-
jeśvarī called Trailokyamohana. The sage of the Kavacha
is Śiva, metre Virāt and the goadess Mahātripurasundarī.
The Kavacha is said to have various kinds of efficacy
which are detailed in the text. It is efficacious not only
when practised but also when borne on different parts
of the body after being written on a birchbark. The
way of writing is that the names of the practitioner and
the object of practice are written in the triangle of the
Śrichakra, the Mūlamantra coming at the top and around
it the alphabet and around the alphabet the Kavacha.
5th CHAPTER
In this Śiva describes the way in which the
Śrichakra is to be drawn and the different deities are to
receive their worship in the nine component parts of
Śrichakra. The Śrichakra is to be drawn either on a metallic
plate or the earth with red led by the golden pen. Devi
is said to have three forms physical, mental and cognitive.
The first is represented by Mudrā, the second by
Yantra and the third by Mantra. Mahātripura-Sundarī
as seated in the lap of Mahāśiva is to be worshipped in
the Binduchakra or the centre. The maidens forming the
six limbs of Mahātripurasundarī Sarvaiñā etc. as also the
Datal Eternities are to receive their worship in the four
sub-quarters, centre and the quarters. The fifteen Kalas or
fifteen vowels are to be worshipped in the traingle five