NEW DELHI : Cheered by the gradual uptick in retail sales from June, India’s automakers are expecting passenger vehicles and two-wheelers sales to further improve during the festive season but the rising cases of covid-19 pose a serious challenge, said senior executives of automobile manufacturing companies at CMO Dialogues, a webinar held by Mint on Tuesday.Demand for vehicles in the urban markets has to pick up in the coming months for the industry to witness a proper recovery, as most of the demand for passenger cars comes from cities, they added.Sales during festivals constitute around a fourth of the overall vehicle sales in a fiscal and most vehicle makers have increased production and wholesale of vehicles to build inventory at.