2&3 wheelers (2/4 stroke) (vehicles manufactured
before 31/3/2000)
4.5
9,000
2&3 wheelers (2- stroke) (vehicles manufactured after
31/3/2000)
3.5
6,000
2&3 wheelers (4 stroke) (vehicles manufactured after
31/3/2000)
3.5
4,500
Bharat Stage -II compliant 4 wheelers
0.5
750
Four wheelers other than Bharat Stage -II compliant
3.0
1,500
* For CNG & LPG vehicles the
measured Hydrocarbon value shall be converted using the following
formula and then compared with the limits
· For CNG Vehicles- Non Methane Hydrocarbon, NMHC = 0.3 X HC
· For LPG Vehicles- Reactive Hydrocarbon, RHC = 0.5 X HC
2. Diesel Vehicles
Free Acceleration Smoke Test
Method
of Test
Maximum Smoke Density
Light Absorption Coefficient (1/m)
Hartidge Units
Free
Acceleration Test for Turbo Charged engine and Naturally aspirated engine
2.45
65
Notes:
1. Test should be done at Authorised Pollution Check Centers
2. Test should be done every six months or as per State Government's
direction
3. No vehicle shall ply in the country without a valid pollution
under control certificate
