Bindu Ammini was attacked when she was reaching Commissioner's office along with Trupti Desai and six other members of the 'Bhoomatha Brigade' seeking police security to trek Sabarimala temple.
The authorities have arranged basic facilities, including drinking water supply, toilets and resting place, for the pilgrims at the Nilakkal base camp for the pilgrimage season.
Amid tight security, thousands of devotees offered prayers at the Lord Ayyappa temple.
A group of ten women who reached Pamba and planned to head to the Sabarimala temple were sent back by the police on Saturday, a short while before it reopened.
Chief Minister Pinarayi Vijayan reminded that no stay has been imposed on the Supreme Court's earlier verdict allowing women of all ages to enter the hill shrine.
The Supreme Court also said that the restrictions on women in religious places were not limited to Sabarimala alone.
Kerala will go for voting in the third phase of the Lok Sabha elections on April 23.
A protest broke out at Neelimala as women tried to enter Sabarimala Wednesday morning.
Agasthyakoodam, Kerala's second-tallest peak, opened for the annual trekking for the first time after the High Court ruled last November that no gender-based restrictions would be imposed on trekkers.
Manju entered the Sabarimala temple with the help of #Ayyappa Seva Sangham workers at around 7.30 am on Tuesday, and conducted ghee abhishekam and offered prayers at Malikappuram.
Anant Hegde comments came after two women below the age of 50 claimed that they entered Sabarimala Temple premises today.
The Kerala unit of the BJP observed a protest on Sunday by blocking highways across the state following the arrest and the subsequent remand of senior party leader K Surendran.
Kerala came to a standstill on Saturday after an unexpected hartal called by right-wing Hindu outfits in protest against the arrest of a VHP leader KP Sasikala at Sabarimala.
Police operating drone surveillance at Nilakkal on Saturday morning to keep track on the movement of pilgrims and vehicles.