The 25th State-level yoga championship competitions and selection of Tamil Nadu yoga team for the 37th National Yoga Championship commenced here on Saturday. Over 1,000 competitors participated and showcased their skills. The winners will be selected for the Tamil Nadu yoga team which will participate in the 37th national yoga tournament. Tamil Nadu Yoga Association office-bearers S.S.S. Nathan, P.V. Parthasarathi, N. Ramalingam, N. Subramanian have made arrangements for the two-day event.