Panayannarkavu is one of those few temples in the state where the Sapta Matas or the Seven Mother Goddesses are worshipped as the supervising power. Chamundi, gets the predominant place as Kali as being the fiercest of them. A nearby Siva temple situated in a luxuriant grove near Parumala and girdled by a tributary of Pampa, is apparently a modest temple, which is only about two miles from Mannar (a Village well known for its bell metal lamps and vessels).
The shrine of the Sapta Matas is rectangular in construction. Murals are painted in all the available wall space of the shrine. Probably these were done at the transitional phase of Vaishnavite persuade on Saktheya cult. Vaishnavism contributed to alleviate the fearsomeness of the tantric rituals once practiced. However the murals on the front of the shrine and also those around the square shrine of Siva were painted after the transition was complete. Like in a different place the subjects of the frescoes were inspired by stories and episodes from the Saiva Vaishnava Purnas, the Devi Mahatyam and the Bhagavata.
The murals of Panayannarkavu are notable for their agreeable color combinations and linear accuracy. These paintings date back to very long period. The murals around the small rectangular chief shrine were in all probability the earliest paintings in the shrine. The paintings on the square shrine were done later, most probably during the closing years of the reign of the King of Chirava a branch of the Odanadu Royal House; it was during this time that Vaishnava cult assimilated Sakti worship to effect in a more colorful ritualistic pattern.