Standing calf raise with ground platform
4 grand pianos with benches: 2,625 lbs.Expanded platform and apparatus: 530 lbs.
Total: 3,155 lbs.After lifting these pianos, Sri Chinmoy played a well-known tune on each one in turn.
1998 comparison: Sri Chinmoy lifted 2 grand pianos with 4 pianists performing on them. Total weight: 2,624 lbs.From:Sri Chinmoy,The body’s fitness-gong. The soul’s fulness-song, Agni Press, 1999
Sourced from https://srichinmoylibrary.com/bfg