Situation remained tense on Tuesday in several areas of the old city in Hyderabad where curfew was clamped following incidents of communal violence, which left one dead and 80 injured since Saturday.
Curfew, imposed last evening, has been extended till 6 pm on Tuesday, South Zone DCP Madhusudhan Reddy said.
Due to curfew, 10th class examinations in 140 centres in South Zone area have been postponed, he said.
The Centre has rushed 1,800 paramilitary personnel to restore peace in the sensitive areas. The entire force has been put on alert to maintain law and order in view of Hanuman Jayanti celebrations on Tuesday.
Fresh violence erupted on Monday in Moghalpura, Shalibanda, Charminar, Aliabad, Falaknuma, Shamsheergunj and Lal Darwaja localities after a group of miscreants pelted stones at passersby which increased tension, police said.
One person was stabbed to death on Monday and another hurt in the Shalibanda area. Another person was injured when a vehicle was attacked at Khilwat Chowrasta, they said.
About 130 persons, suspected to be involved in the communal clashes, have been taken into custody so far, police added.