Nirvaanraj Energy Private Limited is a biodiesel production company based in India, specializing in manufacturing of biodiesel from used cooking oil, animal fat, and vegetable oil. The company was incorporated on August 3, 2020, under the Companies Act, 2013, with the goal of promoting renewable energy and reducing dependence on fossil fuels. It is a subsidiary of Rajputana Biodiesel Limited, formerly known as Rajputana Biodiesel Private Limited, a leading player in the biofuel industry in state of Rajasthan.

Nirvaanraj Energy is committed to producing high-quality biodiesel that meets international standards while maintaining a low carbon footprint. To support this mission, the company has collaborated with government agencies and research institutions to promote biodiesel as a cleaner and more sustainable alternative to conventional fuels. In addition to biodiesel, the company is actively engaged in the manufacturing and supply of biofuels and by-products, including glycerine and fatty acids.