The impact of the strike was felt in Alipurduar, Kalimpong, Darjeeling and Jalpaiguri as well as parts of Coochbehar, Mathabhanga, Mekhliganj and Islampur block of North Dinajpur.
Normal life, however, remained unaffected in Siliguri and Jalpaiguri town.
Altogether 215 persons were detained by the police at Hasimara, the police said.
The effect of the shutdown was also felt in Birpara, Mal, Nagrakata, Banarhat, Naxalbari, Kumargram, Kalchini and Madarihat with most of the shops closed, private vehicles off the roads and offices witnessing thin attendance.
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The forum has called a general strike today to press their demands.
Gorkha Janmukti Morch also extended support to the strike.
Zia-ul-Alam, secretary of the joint forum, claimed that almost 300 tea gardens of Terai and Dooars were closed.
The strike was also observed in 45 tea gardens of Darjeeling, he said.
Demonstrations and protests were held in front of the tea gardens.
Protesting tea garden labourers had blocked NH 31 for some time at Dhupguri.