Coronavirus LIVE Updates: Maintaining the Covid-19 restrictions on various activities, the Centre said that there is a need for surveillance, containment and caution due to a surge globally and the emergence of a new variant of the virus in the UK. In a statement, the Ministry of Home Affairs (MHA) said it has issued fresh guidelines for surveillance with regard to Covid-19 that will remain in force till January 31, as it asked the states and union territories to keep a strict vigil to prevent any rise in cases during the New Year celebrations and the winter season.