Nepal is a sovereign Himalayan country located between China and India occupying an area of 147,516 Sq. Km. It is a landlocked country inhabited by a population of approximately 30035979 (Central Bureau of Statistics, dated 2020/07/30). Kathmandu is the national capital and largest metropolis. Systematic Petroleum exploration activities in Nepal began in 1979. The Department of Mines and Geology (DMG) has conducted Airborne Magnetic Survey in 1978-79 over the Terai (Indo-Gangetic Plain) and Siwalik (Sub-Himalaya) belt of the country covering an area of about 48,000 Sq. Km. with the help of IDA/World Bank (Figure 4). The survey has shown encouraging results. Government of Nepal has established a separate unit "Petroleum Exploration Promotion Project" (PEPP) in 1982 to promote and monitor the exploration works in the country.