Nine units from Cherthala, Alappuzha, Aroor, Mattancherry, Gandhi Nagar, and Vaikom stations were used to douse the inferno.
Nateshan (48) and his wife Sinimol (43), residents of Vrindavan at Taravattom in Maravanthuruthu panchayat, were found hanging to death inside their house around 6 pm on Monday
Number of people arrested goes up to 7. Police register case against 10 identifiable persons
They were on their way to offer condolences to another family.
Vaikom Fish Farm is 25 km from the renowned travel destination of Kumarakom in Kottayam district.
B R Ambedkar's grandson will unveil the memorial at Amachadi Thuruth, an island on the Vembanad Lake, today.
She breathed her last at a private hospital in Kochi this morning.
Addressing the gathering, the Tamil Nadu CM said the Vaikom Satyagraha inspired various agitations against 'Ayitham' (untouchability) in India.
The visit of MK Stalin, which is highly anticipated by the local administration and the residents of the town, is expected to strengthen Vaikom's 'unsung bond' with the neighbouring state.
The Thiruvananthapuram MP on Saturday called the party's apparent cold shoulder 'injustice' to Murleedharan.