Condition of all the eight persons is stated to be stable.
The activists allegedly attempted suicide by consuming pesticides, demanding that there should be a complete beef ban across the country and cow be declared as 'Rashtra Mata', Assistant Commissioner of Police (ACP), Kalpesh Chavda said.
"We had received information that some cow (rights) activists are planning to consume poison at the collector's office building, and (we) had, therefore, increased security there," he said.
The eight men were identified as -- Kamlesh Rabari (29), Dinesh Loriya (45), Amar Danidharaiya (35), Raghuvirsinh Jadeja (30), Vala Maru (36), Vijay Sindhav (28), Hinda Vambadiya (35) and Deepak Vaghela.