NEW DELHI : New Delhi: Malls have seen revenues drop by half in the aftermath of several states directing them to down shutters amid an uptick in covid cases.In a statement to the press, Shopping Centres Association of India (SCAI), an industry body that represents malls across the country, said local restrictions, the closure of malls in a few states, and weekend curfews had impacted their business recovery, and employment associated with organized retail.The second wave could stall any recovery made by shopping centres and malls in the beginning of the year.Malls across India had recovered close to 90% of pre-covid business between November and March.