Mahindra Supro CNG Duo Walkaround by Promeet Ghosh. Indian automaker Mahindra has launched the Supro CNG Duo at an introductory price of Rs 6.32 lakh (ex-showroom, Delhi). The Mahindra Supro CNG Duo is the firm's first dual-fuel small commercial vehicle. Powering the Mahindra Supro CNG Duo is a 909cc engine that can run and start on both petrol and CNG. The engine produces 26.8bhp and 60Nm of torque which is sent to the front wheels via a 4-speed manual gearbox. br br Watch the video to know more about the Mahindra Supro CNG Duo dual-fuel small commercial vehicle. br br #Mahindra #MahindraSuproCNGDuo #MahindraCommercialVehicle #CNGCommercialVehiclebr ~PR.