Delhi air pollution ruling by the Supreme Court: No relaxation in GRAP-IV even if air quality improves. Environment Delhi air pollution ruling by the Supreme Court: No relaxation in GRAP-IV even if air quality improves. saketchoudhary1995@gmail.com November 18, 2024 The bench voiced worry that preventive measures under Phase 4 of GRAP were not being implemented promptly,... Read More Read more about Delhi air pollution ruling by the Supreme Court: No relaxation in GRAP-IV even if air quality improves.