New Delhi: The Ministry of Road Transport and Highways has issued notification GSR 308(E ) dated 22nd May 2020 regarding the emission norms for L7 (Quadricycle) category for BS VI. These norms are applicable from the date of notification. This notification completes the process of BS VI for all L, M and N category vehicles in India. The emission norms are in line with EU with WMTC cycle. The procedure for testing is laid down in AIS 137-Part 9.