NEW DELHI: Crisis-hit National Spot Exchange (NSEL) on Tuesday defaulted in payment of Rs 174.72 crore to investors as it could pay only Rs 15.37 crore — the third consecutive failure to meet their obligations . The beleaguered NSEL has already defaulted in the first two pay-outs as it received only Rs 92.73 crore from members in the first pay-out and Rs 12.05 crore in the second pay-out , out of the scheduled Rs 174.72 crore each.