The ruling LDF is hoping to retain power for a second consecutive term breaking the state's four-decades-old trend of alternating between the UDF every five year.
Women of age group between 10 and 50 are not allowed to enter the hill shrine but a Supreme Court's verdict had allowed entry of women of all ages to the temple.
TDB President N Vasu said the RT-PCR test certificate, taken not more than 48 hours prior to their visit to the temple, is must for pilgrims from December 26.