Mulloor Kaverikkadu Sree Dharmasastha temple is located at Mullor in Vizhinjam, Thiruvananthapuram district, Kerala. The shrine is dedicated to Ayyappa or Dharma Sastha. The shrine observes its annual Mandala puja mahotsavam on the Mandala puja day on December 26 or December 27.
This is a typical Kerala style temple with a chathura sreekovil, namaskara mandapam, shrines of upa devatas, kodimaram or dwajasthambam and chuttambalam. The main deity of Ayyappa is in seating posture. The temple also has shrines of Ganapathi and Nagas.
Yet another important puja day in the temple is the annual Makaravilakku Puja held on January 14 or January 15.
The annual prathishta dinam in the temple is held in Malayalam Meena Masam (March – April).