The CPI-M's Tamil Nadu unit today announced that it would stage a protest march on August 1 against the proposed Chennai-Salem highway project.
The party passed a resolution to this effect at its ongoing state council meet here.
The protest march will be taken out from Tiruvannamalai to Salem, the party state secretary K Balakrishnan said in a statement.
"Those who refused to give lands for the projects are being threatened. Attempts of political parties and other rights organisations to offer support to farmers are being being thwarted by arrests and attacks," he said.
The proposed project has attracted criticism from various quarters including the opposition DMK.
Chief Minister K Palaniswami has defended the project, saying it would stimulate growth and that only a small section of farmers were opposing it.
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