Maize (Zea mays L.) is among the third most important cereal crops in India after rice and wheat meeting 50-60% of requirements of the people. It provides food, feed, fodder, fuel and serves as a raw material for many industrial products viz., starch, oil, and biofuel etc. It has wide adaptability to diverse agro-ecologies over latitude of 58N to 40S, and to a 3000 m altitude above mean sea level and thrives well in areas receiving rainfall ranging from 250 to 5000 mm (Downsell et al., 1996). Drought is one among the most important abiotic stress factors (Bruce et al., 2002), affecting growth and development of plants. The best option for good production, crop yield improvement and yield stability under drought stress conditions