procurement of 1190 bsvi chassis town type i , bsvi chassis town type i , non a/c5639 mmwb + (or) -1%tolerance passenger chassis fitted with bsvi engine (six cylinders) meeting obd ii norms with exhaust brake (eb) front and rear leaf spring suspension as per specificationgiven in chapter – 4 and requirement chapter – 8 (including ict / its components) (ais140 device and vhmd data transmission for 5 years) , non a/c5639 mmwb + (or) -1%tolerance passenger chassis fitted with bsvi engine (six cylinders) meeting obd ii norms with exhaust brake (eb) front and rear airsuspension as per specificationgiven in chapter – 4 and requirement chapter – 8 (including ict / its components) (ais140 device and vhmd data transmission for 5 years) , a/c5639 mmwb + (or) -1%tolerance passenger chassis fitted with bsvi engine (six cylinders) meeting obd ii norms with exhaust brake (eb) front weveller and rear air suspension as per specificationgiven in chapter – 4 and requirement chapter – 8 (including ict / its components) (ais140 device and vhmd data transmission for 5 years) , non a/c5639 mmwb + (or) -1%tolerance passenger chassis fitted with bsvi engine (six cylinders) meeting obd ii norms with exhaust brake (eb) front weveller and rear airsuspension as per specificationgiven in chapter – 4 and requirement chapter – 8 (including ict / its components) (ais140 device and vhmd data transmission for 5 years)