Effect of six different water application levels i.e. 25%, 50%, 75%, 100%, 125% and 150% on paddy growth parameter such as plant height, number of tillers, biomass, , leaf area , flag width, flag length, number of grains per panicle and yield were studied. Results showed that water application level significantly increased but maximum plant height (117.80 cm), number of tillers (29), grains per panicle (135), biomass (49.166 t/ha), leaf area (44.386 cm2), flag width (1.433 cm), flag length (44.733 cm), panicle length (29.75cm) and yield (5.29 t/ha ).