Tension prevailed in different parts of the district on Wednesday, following the entry of two women of childbearing age in the Sabarimala temple.
The protesters forcefully shut shops and blocked roads.
Suspected BJP and RSS workers attacked the Mavelikara taluk office in the morning.
Two injured
Jayaprakash, 17, a differently abled person, and his mother Suseela, 45, were injured when protesters attacked their bakery at Budha Junction after they refused to shut the shop.
The injured were admitted to a nearby hospital.
CPI(M) and BJP workers threw stones at each other in Mavelikara.
BJP-RSS workers and Sabarimala Karma Samithi members blocked roads at Mavelikara, Chengannur, Ambalappuzha, Ramankary, and Haripad and other parts of the district.
The police said that they had arrested 42 people after protesters disrupted traffic at Vellavoor Junction and Bethel Junction on M.C. Road in Chengannur.
The BJP workers forcefully shut shops at Haripad.
The police have registered cases against 50 persons.
At Ambalappuzha
At Ambalappuzha Sri Krishna temple, members of the Sabarimala Karma Samiti forcibly closed the Devaswom office and receipt counter.
The protesters disrupted the distribution of palpayasam.
Later, they distributed palpayasam to devotees free of cost.
In Alappuzha town, various Hindu organisations conducted a protest march resulting in traffic disruption near court bridge.
The police have arrested 24 persons.
The police said that security had been tightened in the district in view of the call for hartal on Thursday.
“The law-and-order situation in the district is under control. The police will take strict action against miscreants,” District Collector S. Suhas said.