Hariani & Co. has acted for clients in numerous contentious and non-contentious environmental matters.

The firm has represented clients before the National Green Tribunal of India and its benches, the Forest Bench of the Indian Supreme Court and other writ courts. The firm has appeared for environmental organisations and citizens' groups in public interest matters in various courts. The firm also represents clients before Indian Environment Departments.

The firm also advises clients on compliance with Indian environmental norms and guidelines. The firm has assisted with the structuring of various transactions and real estate projects to ensure their compliance with Indian environmental laws. In this context, the firm has assisted clients with several unique projects, such as setting up eco-friendly resort hotels.