Security agencies in Manipur are on high alert to counter potential disruptions by banned terror groups following the imposition of President’s rule. With a heavy deployment of forces and flag marches scheduled in Imphal, security has been tightened after CM N Biren Singh’s resignation. Over 250 lives have been lost in nearly 21 months of ethnic violence. IMPHAL: Security agencies are on high alert in Manipur to counter any mischief by banned terror groups following imposition of President’s rule in the state, officials said on Thursday.There is a heavy deployment of forces within the Imphal valley areas which have seen attacks on police by cadres of Arambai Tenggol group, they said, adding, Assam Rifles and other paramilitary forces will be conducting flag march in Imphal city to ward off any untoward breakdown of law and order.They said security was beefed up in the state, especially the valley, after CM N Biren Singh’s resignation on Feb 9, after nearly 21 months of ethnic violence that has claimed over 250 lives so far.Four days after his resignation, President’s rule was imposed in strife-torn Manipur on Thursday. The state assembly, which has a tenure till 2027, has also been put under suspended animation, according to a notification issued by ministry of home affairs.The decision to impose central rule was taken after the governor sent a report to Prez Droupadi Murmu. “After considering the report and other information, I am satisfied that a situation has arisen in which govt of that state cannot be carried on in accordance with provisions of the Constitution,” the notification said.