Page 270 - The Central Motor Vehicles Rules, 1989

242 THE CENTRAL MOTOR VEHICLES RULES, 1989 RULE 115B

(b) The test procedure and safety guidelines for CNG vehicles, kit components
including installation thereof, shall be as per AIS 024, as amended from time
to time, till such time as corresponding BIS specifications are notified;
(c) For OE fitment and retrofitment on “in-use” vehicles, the responsibility of
Type Approval shall be that of the vehicle manufacturer and kit
manufacturer or supplier respectively;
(d) The Type Approval of CNG kit for ‘retrofitment’ shall be valid for three
years from the date of issue of such approval and shall be renewable for
three years at a time;
(e) The retrofitment of CNG on in-use vehicles shall be carried out by
workshops authorized by the kit manufacturer/supplier or vehicle
manufacturers, as the case may be;
(f) The test agency shall complete the test and give necessary certificate within
a period of three months from the date of receiving the kits;
(g) The kit manufacturer/supplier shall provide a layout plan for retrofitment
of CNG kit in the respective models on which any approved kit is to be
installed, to the test agency for vetting and approval. The retrofitment of the
kit shall be on the basis of such approved layout plan only. Testing agencies
will be required to indicate specifically, the models and their variants on
which the certificate will be valid.
1
[III. For in-use BS VI gasoline vehicle of categories L, M&N with GVW less than 3.5T.—
(a) For the purpose of granting type approval to the vehicle fitted with a CNG
(natural gas) 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 (In-use Chapter 14 Annexure 3
performance ratio) 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
kerb mass w.r.t approved
model/variant having highest GVW, by
more than 8%.

1 Inserted vide GSR 625(E), dt. 11-8-2022, w.e.f. 12-8-2022. Earlier, clause (III) was omitted vide GSR 111(E),
dt. 10-2-2004, w.e.f. 10-8-2004.