The injured were later shifted to the hospital inside the correctional home premises.
West Bengal minister for Correctional Administration Ujjal Biswas told PTI that the clash began last night between two groups of prisoners following their differences on food served in the correctional home.
The inmates shouted slogans protesting against the quality of food served in the correctional home.
The undertrial prisoners even held a demonstration today demanding speedy disposal of their cases, Biswas said.
The undertrial prisoners have lodged complaint with the correctional home authority against the convicts for regular torture on them.
Vigil in and around the Dum Dum Central Correctional Home have been tightened, Biswas said.
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