selected publications article Effect of moisture regimes and sowing dates on wheat physiological process and yield attributes under rain-fed ecosystem in Eastern Indo Gangetic Plain 2019 Performance of Lentil under Rice-Lentil under different tillage in Drought-Prone Rainfed Ecosystem of Bihar 2015 document Performance of lentil succeeding rice in puddled and un-puddled transplanted conditions in drought-prone rainfed ecosystem 2015