Justice Kuldeep Singh is famously known as the Green Judge among the Judges of the Supreme Court of India.

- Justice Kuldeep Singh: Known as the Green Judge
Justice Kuldeep Singh, a former judge of the Supreme Court of India, is famously known as the Green Judge. He is recognized for his significant contributions towards environmental conservation and sustainable development.

- Environmental Conservation:
Justice Kuldeep Singh played a crucial role in several landmark judgments related to environmental conservation. He actively participated in cases concerning the protection of forests, wildlife, and the environment. His judgments aimed at preserving the delicate balance between development and environmental sustainability.

- Sustainable Development:
Justice Kuldeep Singh emphasized the concept of sustainable development in his judgments. He recognized the importance of preserving the environment for future generations while promoting economic growth and progress. His judgments often highlighted the need for responsible and eco-friendly practices in various industries and sectors.

- Landmark Judgments:
Justice Kuldeep Singh delivered several notable judgments during his tenure as a Supreme Court judge. Some of these include:

1. Vellore Citizens Welfare Forum vs. Union of India (1996): In this case, Justice Kuldeep Singh was part of the bench that laid down guidelines for industries to prevent pollution and protect the environment.

2. M.C. Mehta vs. Union of India (1997): This case involved the issue of pollution caused by tanneries in the Ganga river. Justice Kuldeep Singh's judgment resulted in the closure of polluting tanneries and the implementation of measures to clean the river.

3. Rural Litigation and Entitlement Kendra vs. State of U.P. (1985): Justice Kuldeep Singh was part of the bench that delivered this landmark judgment, ordering the closure of limestone quarries in the Doon Valley to protect the fragile ecosystem.

- Legacy:
Justice Kuldeep Singh's contributions to environmental conservation and sustainable development have left a lasting impact on India's legal landscape. His judgments have set important precedents and continue to guide future decisions related to environmental protection. His commitment to preserving the environment earned him the title of the Green Judge.