NEW DELHI: As people continue to venture out despite lockdown , the Centre has advised state governments and union territory administrations to impose curfew wherever necessary in the wake of the coronavirus outbreak, officials said on Tuesday.A top functionary of the central government has called up some of the chief ministers and apprised them of the necessity of imposing the curfew if people continue to venture out of their homes.The state governments and the union territory administrations have been advised to impose curfew wherever necessary as many people continue to go out of their homes despite the lockdown ordered to check the spread of the virus, a government official told PTI.