Bihar is third most populous state in India, with total population of 124 million (12.4 Crore) with its immediate successor Maharashtra and Uttar-Pradesh, agriculture industry of Bihar engages about to 77% of workforce and does 38% contribution in State Domestic Product. Agriculture sector in Bihar is plunged with several difficulties like flood, disguised employment, lack of agriculture infrastructure and modern technologies, leaving behind 40.4% of population BPL (Below Poverty Line) but this was not always. Major crops produced in Bihar are rice, Wheat, Red-Gram, Fox-Nut, Maize, and Sugar Cane, in fruits Mango, Lychee, Banana, in fiber Cotton, Silk and etc hence, Bihar has huge potential to not just fulfill its economic need but to serve the needs of nation and also effective management of agro-based industries can eradicate problem of poverty for Bihar. The healthy management of agricultural sector of Bihar will attract agro-industries in Bihar, resulting in Employment Generation, Eradication of Poverty, Rise in per-capita income, and Improvement in standard of living and lot more. Hence this research paper to grope scope of entrepreneurship in Agro-Based Industry in Bihar leading towards economic advancement and self-sustenance.