A field experiment was conducted during the Kharif season of 2019 at Agronomy Instructional Farm, Mandan Bharti Agriculture College, Saharsa, Bihar Agricultural University, Sabour, Bhagalpur, Bihar to evaluate the best finger millet based inter cropping with different legumes. Based on the results, it was concluded that intercropping of finger millet with black gram at 4:2 pair row ratio was distinctly superior among all intercropping system found most profitable by realizing the highest net return. | Yield and economics of finger millet with different legumes in Koshi Region of Bihar India