Oachira or Ochira () is an ancient temple town located 32 km away from Kollam city in Karunagappally taluk, Kollam district in Kerala, India. Temple town Oachira is one of the famous sacred places of Kerala and in India. Oachira is on the border of Kollam and Allappuzha Districts, next to the National Highway 66 (NH 66). It is a very ancient pilgrimage center that is centered on the ParaBrahma Temple (that is dedicated to the Para Brahman (or Param Brahman) or Ohmkaram, the Universal Consciousness), which covers thirty-six acres of land. Oachira North Muslim Masjid is another historical monument near Oachira town. Festivals The major annual festivals are Oachira Kali or Oachirakali (held on the first and second of Midhunam, i.e., June–July) and the twelve-day Panthrandu Vilakku (twelve lamp festival), which is held in November/December. Oachira Kali is celebrated in commemoration of the battle of Kayamkulam, fought between Marthanda Varma, the Maharaja of Travancore and the Raja of Kayamkulam, on the plains of Oachira. It is a mock fight enacted between groups of men dressed as warriors on the padanilam (battlefield). They perform a martial dance standing in knee-deep water, brandishing swords and shields, and splashing water in every direction. A big cattle fair is also held as part of the festival. Yet another festival celebrated in Oachira Temple is the "Irupathiyettam Onam" (Thiruvonum in the month of Kanni, second month of Malayalam Calendar). It is considered the Onam of cows and bulls and is celebrated on Thiruvonam. These concepts are related to the agricultural prosperity of Onattukara. Panthrandu vilakku (12 Lamps) festival The "Panthrandu vilakku" festival celebrated at Oachira Parabrahma Temple is considered as the most reputed festivals of this temple. In the month of Vrishchikam, or Vrishchika Masam, is the fourth month in a traditional Malayalam calendar and is a highly auspicious month.Sabarimala Ayyappa Temple opens on the day for the two-month-long annual pilgrimage season. The first twelve days are celebrated as "Panthrantu vilakku"."Panthrandu vilakku" is being observed in temples with great fervour and enthusiasm to commemorate the ‘Ten Avatars of Lord Vishnu’ The Panthrandu vilakku celebrated at Oachira Parabrahma Temple is considered as the most reputed one At Ochira Para brahma temple, during "Panthrantu vilakku" pilgrims reside in hundreds of small huts for twelve days in the premises of temple following religious rituals. Thousands of people stays near a temple premises for a period of twelve