Matangi yantra is handpainted yantra mandala in Kathmandu Nepal. It is also called as Prime Minister of Lalita (in Srikula systems), sometimes called the "Tantric Saraswati".
Matangi Yantra contains the seed mantra of the goddess Matangi that blesses the worshippers with great powers, speech, harmonious family life, and the peace.
Matangi is considered as the tantric form of Sarasvati, the goddess of music and learning.
Matangi governs speech, music, knowledge, and learning.
Her worship is prescribed to acquire supernatural powers, gaining control over enemies, attracting people and acquiring mastery over arts and gaining supreme knowledge.
Matangi Yantra is for music lovers.
The mantra of Matangi Yantra is: "Om Hareem Matangayee Namah"