A section of the guardians blocked traffic on the main road in front of the school demanding rollback of the hike. They had also similarly demonstrated yesterday, the police said.
The demonstrators were later persuaded to withdraw the blockade following talks with the school administration, the police said.
The father of a student of class eight in the CBSE-affiliated B D Memorial School, said, "The authorities suddenly asked for additional payment of Rs 18,000 as development fee for September in the Secondary section."
The hike consisted of tuition fees, expenses for multimedia and others to provide students quality education and the parents had been informed beforehand about the hike.
However, the school authorities will sit with the guardians to discuss the matter soon, the principal said.
The institution is one of the three B D Memorial branches in the city.
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