On Women’s Day, March 8, 2015, WUSU International Martial Arts Association organised a women-only record breaking event at Nehru Memorial Hall, Pune, Maharashtra. Four black belt teenage girls sleeping on a bed of 6-inch nails had a total of 4,000 kg Shahabad stones broken on their chest, each girl taking 1,000 kg on her chest. Shihan Vikram Marathe broke the slabs with an 18 lb (8.16 kg) hammer. The girls were Rutuja Dalvi (19), Pratharana Kothi (18), Tanvi Sheth (16) and Jagruti Kautkar (16).