D2C innerwear brand Bummer, featured on Shark Tank, raises Rs 9.25 crore led by Gruhas Collective Consumer Fund and Fluid Ventures Fund. Founded in 2019, it focuses on comfort wear with eco-friendly practices. Gruhas now holds 17.3% stake. Valued at around Rs 46.5 crore post-allotment, Bummer saw revenue surge three-fold to Rs 7.83 crore in FY 2022-23.