Bharat Stage (BS) norms are India's emission limits for new vehicles. BS6 has applied since April 2020, and its second phase, from April 2023, added real driving emissions (RDE) testing on public roads and stricter on-board diagnostics. Every new petrol, diesel and CNG car made since April 2023 must meet Phase 2.
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Checked against this source on 18 Sep 2026. Every term