Indian agriculture is highly diversified both in terms of production environment and activities. The main objective of the study is to identify and prioritize constraints and accelerators of agricultural diversification and promotion of selected promising CGPRT crops, I.e: maize. Five states namely Bihar, Madhya Pradesh, Punjab, Rajashtan and Uttar Pradesh have been selected for the study. The results of the study are mainly based on tabular analysis using simple statistical methods like arithmetic mean and standard deviation.