Four rabi sorghum genotypes at three density levels were studied for their tolerance to miosture stress during post anthesis period in the late rabi season. All the growth parameters showed a decreasing trend with the increased plant density and also as crop approached maturity. The genotypes, M-35-1 and 9-13 maintained higher values for LAD and LAR during post anthesis to harvest even under high densities. As a result of increased LAD and LAR all the growth attributes viz., AGR, RGR and NAR were also higher in these genotypes which yielded higher when compared to GRS-1 and A-1. Increased population affected severely all the growth attributes due to mutual shading and competition for water and nutrition which is a result of decreased LAD and LAR.