M.C. Mehta v. Union of India (Taj Trapezium Case)
Supreme Court of India(2004) 12 SCC 118Directed relocation or closure of 292 coal/coke-based industries in the Taj Trapezium Zone to prevent acid rain damage to the Taj Mahal. Established that the right to a clean environment flows from Article 21, and the State has a duty to protect heritage monuments from industrial pollution.