Police fired teargas shells on the campus of Osmania University here Sunday to break up pro-Telangana students from taking out a rally to Raj Bhavan, the governor's residence.
Tension prevailed on the campus as police and paramilitary forces swung into action to disperse students pelting stones at them.
Student leaders alleged that several students were injured in a police baton charge. Police sealed all the gates of the campus to prevent students from coming out.
The Osmania University students Joint Action Committee has called for a siege of the Raj Bhavan to press the demand for statehood to Telangana and also to seek the resignation of Governor E.S.L. Narasimhan for his reported opposition to the separate Telangana state demand.
Police stopped students trying to take out a bike rally to Raj Bhavan, 10 km from the campus. There was a heated argument between student leaders and police officers.
Another group of students was arrested near Raj Bhavan.
"They had gathered at Khairatabad crossroads and were heading towards the official residence of the governor when police took them into custody.
Osmania University has witnessed many violent demonstrations for separate state during last three years.