Page 287 - The Central Motor Vehicles Rules, 1989

RULE 115C THE CENTRAL MOTOR VEHICLES RULES, 1989 259
1
[(5) For in-use BS VI gasoline vehicle of categories L, M and N with Gross Vehicle
Weight (GVW) less than 3.5T.—
(a) For the purpose of granting type approval to the vehicle fitted with an LPG
kit, performance tests shall be carried out as per the table below:—
TABLE
Sl. No. Applicable test Reference document
1. Mass emission test (Type I test) 1. CMV Rule 115(18)(i), 115(19), 115(20)
or 115(22) as applicable
2. On-Board diagnosis
MoRTH/CMVR/TAP115/116 Part XIV
3. In-service conformity and IUPR Chapter 14 Annexure 3
2. AIS-137
4. CO2 emission CO2 to be measured and reported

5. Gradeability test AIS 003
6. EMC test (Vehicle level or assembly AIS 004 (Part 3)
level)
7. Offset Frontal Collision AIS-098
Note : Only if there is increase in the
unladen kerb mass w.r.t approved
model/variant having highest GVW,
by more than 8%
(b) Vehicles shall meet all the safety requirements as per AIS-025, AIS-026 &
AIS-027 as applicable.
(c) Type approvals for vehicles retrofitted with LPG kits shall be valid for three
years from the date of issue of such approval and shall be renewed for every
three years at a time.
(d) LPG kit shall be type approved for vehicles of specific make. Such kit shall
be considered fit for retrofitment in any vehicle within a specified range of
engine capacity of cc within a range of ± 7% for vehicles up to 1500 cc & ±
5% above 1500 cc.
(e) Real world driving cycle emission measurement using PEMS shall be
carried out for data collection for three years from the date of notification
for the computation of Conformity factor (CF).
(f) The engine power shall be measured on engine dynamometer as per
procedures prescribed in AIS 137 as amended from time to time. Measured
power with LPG shall be within a range of -15% £ Power on LPG £ +5%
w.r.t the power measured on gasoline. The power test can be performed, on
request of the manufacturer, on the complete vehicle on a chassis
dynamometer. The engine power shall be calculated as the sum of the power
measured at wheels and the transmission losses of the vehicle.

1 Inserted vide GSR 625(E), dt. 11-8-2022, w.e.f. 12-8-2022. Earlier, sub-rule (5) was omitted vide GSR 589(E),
dt. 16-9-2005, w.e.f. 16-9-2005.