Jwalamalini  Nitya Yantra- Shukla paksha Chaturdashi & Krishna paksha dwitiya Tithi ruled by Sri Jwalamalini Nityadevi

She is the Nitya of flame; her entire body is ablaze with fire. She is adorned with a Ruby-studded crown. Her six faces each have three bright eyes, and her eleven hands hold noose, goad, sword, armor, bow, arrow, mace, trident, pike, conch, and fire; her twelfth hand makes the gesture for granting a wish. Jwalamalini Nityadevi 
is surrounded by aides whose strength matches her own. She wears an assortment of ornaments. Her face is beautiful due to her gentle and sweet smile.

The following depicts the yantra, the geometrical expression of Sri Jwalamalini Nitya :
The geometric expression of two squares with four doors and eight lotus petals is two squares with four doors.

Again, eight lotus petals are engraved with two triangles inverted to create six angles. In the center of these two inverted triangles is a Triangle where Jwalamalini Nityadevi is worshipped.

Om Namo Bhagavati Jvalamalini Devadevi Sarvabhutasamharakarike Jatavedasi Jvalanti Jvala Jvala Prajvala Prajvala Hrim Hrim Hum Ram Ram Ram Ram Ram Ram Ram Jvalamalini Hum Phat Svaha

ஓம் நமோ பகவதி ஜ்வாலாமாலினி தேவதேவி ஸர்வபூதஸம்ஹாரகாரிகே ஜாதவேதஸி ஜ்வலந்தி ஜ்வல ஜ்வல ப்ரஜ்வல ப்ரஜ்வல ஹ்ரீம் ஹ்ரீம் ஹும் ரம் ரம் ரம் ரம் ரம் ரம் ரம் ஜ்வாலாமாலினி ஹும் பட் ஸ்வாஹா