<br/>In Andhra Pradesh, an indefinite curfew was clamped in almost all areas of whole city of Hyderabad since Monday evening. The decision came after one person was stabbed to death and 17 others injured in violence that broke out again on Monday. <br/><br/>Clashes between two groups last Saturday led to outbreak of violence in several areas of the whole city. Incidents of group clashes and attacks on houses continued for the third consecutive day yesterday, even as a beleaguered police force tried to bring the situation under control with the help of para-military forces. City Police Commissioner A.K. Khan said, indefinite curfew has been imposed in 17 police station areas of the southern zone. <br/><br/>Chief Minister K. Rosaiah reviewed the situation with senior police officers. Home Minister Savita Indra Reddy who toured in the troubled areas assumed the residents that all efforts are being made to restore normalcy. <br/><br/>Meanwhile, the Tenth class Board Examination scheduled today in the curfew bound areas of the whole city has been postponed.