Delhi High Court has issued a notice to the Centre and the Election Commission of India (ECI) over the use of face masks during the ongoing election campaign.With five phases of assembly polls in West Bengal still to go, the notice could impact campaign events planned by the Trinamool Congress, BJP, Congress and the Left.In the notice, the Delhi HC has sought a response from the EC and the central government over the mandatory use of face masks during campaign events. Watch the video for more information.