Energy demand is increasing due to the increase in the population growth in India and in the world at large. It has become apparent and to go as per the plan for the production of biodiesel to make a substantial contribution to the future energy demands in respect to the domestic and industrial economies. The use of non-edible plant oils is very significant because of the great demand for edible oils as a food source. Moreover, the edible oils feedstocks costs are far expensive to be used as fuel. Therefore, the production of bio-diesels from non-edible oil is an effective way to overcome all the associated problems with edible oils. However, the potential of converting non-edible oils into bio-diesels must be well examined because the physical and chemical properties might differ from each other, hence they need furthermore research on this. To dispose of these issues, thinking about the elective assets. Biodiesels, in view of no awesome oils, animals’ fat ratio and tiny fishes are guests. The examinations on the impact of biodiesels on its strength and weakness highlights of diesel energy power engines. More viscosity consistency is found as the pure use of datura stramonium plant seeds oil straight in an engine that is expelled by transforming it into biodiesel by the trans-esterification process. Fuel highlights like calorific values, flashpoints and cetane numbers of biodiesel and biodiesel-diesel blends were discovered its properties are similar to diesel fuel. Performance comes about to uncover that a large portion of the biodiesels, has given 4.84% higher brake thermal efficiency and high brake specific fuel consumption. The NOx is less in some load condition and HC, slightly higher than diesel fuel.