Tension prevailed for several hours at the villages falling under the National Investment and Manufacturing Zone (NIMZ) near Zaheerabad in Sangareddy on Wednesday when Industries Minister K. T. Rama Rao came there to lay foundation stone for a defence manufacturing unit on about 500 acres.
According to reports reaching here, police resorted to lathi-charge to control farmers at Gangwar when they protested and damaged a police vehicle. A woman got injured in the melee and was shifted to hospital.