Author: Pratyush Mahapatra

Case: M.K. Ranjitsinh v Union of India

Citation: 2025 INSC 1472 / 2025 SCO.LR 12(4)[19]

Court: Supreme Court of India

Bench: Justice P.S. Narsimha & A.S. Chandurkar

Judgement Date: 19^thDecember, 2025

Facts:

On behalf of the two most endangered birds in India, the Great Indian Bustard (GIB) and the Lesser Florican, this public interest litigation under Article 32 of the Constitution sought judicial assistance in order to protect them from the adverse effects the developing infrastructure (especially power lines) would have on their Habitat and population numbers. Conservationists like M.K. Ranjitsinh and others showed evidence that the long-distance transmission (LDT) of electricity and the rapid increase of new renewable energy sources were the leading causes for the continued loss of both species and to create a negative impact on their most fragile habitat. 

The Government (Union of India) claimed that their commitment to expand renewable energy through international climate agreements and other means would be negatively affected by the Supreme Court’s earlier order regarding LDT restrictions. In this case, the need for ecological conservation versus that of continued responsible sustainable development is weighed against one another.

Arguements:

Legal questions before the Supreme Court:

1. Can we include environmental protection and biodiversity conservation on Corporate Social Responsibility (CSR) obligations of companies?
2. Is it the responsibility of every company to include environmental protection in their Companies Act obligations or constitutional principles of business?
3. How should the courts weigh the interests of renewable energy development versus climate change conservation?

Arguments of the petitioners:

• The Petitioners have argued that the Great Indian Bustard and Lesser Florican are critically endangered species, and that the existence of overhead power transmission lines located in ecologically sensitive areas has caused significant loss in population numbers through frequent collisions with such lines.
• The Petitioners say that we must protect the environment because the Constitution says so. The Constitution has rules like Article 21 Article 48A and Article 51A(g) that talk about this. The State and companies must do everything they can to stop the environment from getting worse. The environment is very important. We need to take care of it according to the Constitution and the rules, like Article 21 Article 48A and Article 51A(g).
• Corporate Social Responsibility as defined by Section 135 of the Companies Act, 2013 must include Corporate Environmental Responsibility where Corporate Activities adversely affect fragile ecosystems.
• Lastly, the Petitioners have stated that sustainable development cannot be achieved if it requires irreversible Loss of Biodiversity, and have urged the Court to adopt an approach that maintains a balance between development and conservation.

Arguments of the respondents:

• The Respondents think that making energy from sources like sun and wind and sending this energy through special systems is very important for India to achieve its national goals and keep its promises to the world about climate change. The Respondents believe that renewable energy is the key, to Indias progress. The Respondents are sure that India needs to develop energy to meet its national development goals and fulfill its international climate change commitments.
• The Respondents stated that existing laws and regulations related to the environment provide sufficient protection for wildlife, and no judicial intervention would be necessary to further protect wildlife.
• The Respondents contend that Corporate Social Responsibility (“CSR”) is meant to remain flexible and at the discretion of companies; therefore, CSR cannot be changed into a mandatory mechanism for compliance with environmental regulations through judicial orders.
• The Respondents also assert that the imposition of specific conservation requirements via judicial order will result in judicial overreach into the executive function of creating policy.

Judgement:

The Supreme Court found that Corporate Social Responsibility (CSR) inherently includes Corporate Environmental Responsibility (CER), meaning that the responsibility of corporations to protect the environment is not only a voluntary matter but is a constitutional and legal obligation. The Court also made clear that:

1. CSR necessarily includes the protection of the environment — a corporation cannot claim to be socially responsible unless it also protects the ecology and biodiversity;
2. When a company has to follow the rules, under Articles 48A and 51A(g) the company must do things that help keep the environment safe. The environment is very important. The company has to act in a way that preserves the environment.
3. The Board of Directors of a corporation must act in the best interests of both society and the environment in accordance with their fiduciary duties under Section 166(2) of the Companies Act, 2013; and
4. The Court also issued orders for the protection of the habitat of the Great Indian Bustard through the use of measures that balance environmental and sustainable development.

Legal Reasoning:

1. The Court noted that environmental protection is a constitutional mandate in addition to being required by CSR under Companies Act. Articles 48A, as part of the Directive Principles, and 51A(g), as part of the Fundamental Duties, together state that both citizens and companies have a core responsibility to be stewards of the environment.
2. In expanding the definition of Corporate Social Responsibility, the Court said that corporate environmental spending will now be viewed as a constitutional obligation rather than charitable activity, thus including environmental and ecological factors in the definition of corporate conduct.
3. The Court further stated that in addition to supporting India’s efforts to meet renewable energy and climate change targets, Corporate Environmental Spending would include protecting endangered species. The Court’s ruling recognizes that Sustainable Development includes environmental protection as well as Renewable Energy Targets.

Personal Opinion:

This landmark ruling provides great analytical detail and clarifies Corporate Social Responsibility (CSR) has evolved from volition into enforceable legal responsibilities, associated completely with constitutional duties of environmental protection. This judgement indicates progress in recognizing fundamental rights, along with the promotion of a healthy society, as being interdependent with living in a sustainable manner, as well as mitigating Climate Change through conservation efforts. The ruling also pushes Indian Courts to continue moving toward a more Progressive Environmental Jurisprudence by requiring Corporations to become active participants in protecting Biodiversity as opposed to simply existing to generate profits. The ruling will serve as a robust precedent for future cases and regulatory standards for both Environmental Law and Corporate Governance.