IIT Delhi startup develops reusable antimicrobial mask called NSafe. The startup named Nanosafe Solutions is behind the Nsafe mask. The triple-layered mask is capable of mechanical filtration, antimicrobial decontamination and repulsion of aerosol droplets. NSafe mask has 99.2% bacterial filtration efficiency. The mask is comfortable and breathable & can be used up to 50 launderings. Nanosafe Solutions plans to launch the mask at MRP of Rs299 (Pack of 2) & Rs 589 (Pack of 4).