Goa, July 28 -- The Supreme Court is set to re-examine the contentious ban on older petrol and diesel vehicles in the National Capital Region (NCR) on Monday, following a plea by the Delhi government that challenges the scientific rationale behind the existing age-based restrictions.

The current ban, based on a 2015 National Green Tribunal (NGT) order and later upheld by the Supreme Court in 2018, prohibits diesel vehicles older than 10 years and petrol vehicles older than 15 years from operating or even being parked in public spaces. The Commission for Air Quality Management (CAQM) recently directed that fuel stations in Delhi-NCR stop supplying fuel to these "end-of-life" (EoL) vehicles starting July 1, 2025.

However, the Delhi govern...