The study was carried out during 2018-19 to evaluate energy efficiency and economical benefits of pigeonpea [Cajanus cajan (L.) Millsp.] – neem (Azadirachta indica A. Juss.) based agroforestry system in under rainfed condition North-eastern part of Karnataka, India. Among the directions, the energy use efficiency was non-significant. However, significantly lower EUE recorded with closer to tree line () and was increased as one moved away from the tree line and this was highest far away () from tree line. | Energy efficiency and economical benefits of pigeonpea [Cajanus cajan (L.) Millsp.] – Neem (Azadirachta indica A. Juss.) based agroforestry system under rainfed condition in North-Eastern Karnataka