The students raised slogans by holding placards in support of the farmers and demanded that their demands be met immediately.
On receiving information, police rushed to the spot and took them into custody.
Anticipating a jallikkatu like agitation in support of the farmers, police were deployed near the VOC park ground to prevent the agitators from entering it.
The ground was venue of jallikattu agitation two months ago.
Meanwhile, college and school students in Pollachi are carrying out a signature campaign in support to the farmers, police said.