Olympic medal-winning wrestler Sushil Kumar has invested an undisclosed amount in New Delhi-based sports content app Indian Sports Flashes. Global Edusports Ventures' Sandeep Singh also participated in the funding. This comes almost three weeks after the startup raised angel funding from Bajaj Motors' Joint MD Vikas Bajaj. Sports Flashes was founded in 2016 by Raman Raheja and Keshaw Sinha.