Apna Green India Nidhi Limited is a unique kind of financial institution which is duly approved by the government of India, ministry of corporate affairs as Nidhi Company under section 620-A of the companies act.

Nidhi in the Indian context / language means "treasure". However, in the Indian financial sector it refers to any mutual benefit society notified by the Central / Union Government as a Nidhi Company. They are created mainly for cultivating the habit of thrift and savings amongst its members. The companies doing Nidhi Business, viz. borrowing from members and lending to members only, are known under different names such as Nidhi, Permanent Fund, Benefit Funds, Mutual Benefit Funds and Mutual Benefit Company.