Ministry of Road Transport and Highways vide G.S.R. 625(E) dated 11th August, 2022 has notified regarding  retrofitment of CNG and LPG kit on BS (Bharat Stage)-VI  gasoline vehicles and replacement of diesel engines with CNG/LPG engines in case of  BS-VI vehicles, less than 3.5 tonnes.

As of now, retrofitment of CNG and LPG kits is permissible in motor vehicles complying with BS IV emission norms.

Click here to see the Gazette Notification