Around 100 farmers from different farmers associations were arrested at Thanjavur Railway station on Saturday when they tried to stage a 'rail roko' protest in front of the Cholan Express.
The group was protesting the police action against the farmers' agitation in New Delhi.
P R Pandian, Ayyakannu and Sundaravimalanathan, presidents of the various farmers associations, participated in the 'rail roko'.