Bengaluru-based fitness services discovery and purchase app BYG (BookYourGame) has raised an undisclosed amount of funding through deal-making platform LetsVenture. The app was launched in December 2015 by former Goldman Sachs employees Devi Prasad Biswal and Avijeet Alagathi. BYG lets users discover and purchase services from gyms and fitness centres around them with an hourly workout option.