Page 269 - The Central Motor Vehicles Rules, 1989

RULE 115B THE CENTRAL MOTOR VEHICLES RULES, 1989 241

(i) for the vehicles manufactured upto 31st March, 2000, the type
approval norms equivalent to India-2000 (India Stage-I) norms as
applicable under these rules; and
1
[(ii) for the vehicles manufactured on or after the 1st April, 2000, and up
to the 30th September, 2010, the type approval norms as specified in
the Bharat Stage-II norms.]
2
[(iii) for the vehicles manufactured on and after the 1st day of April, 2005,
the type approval norms as applicable subject to minimum of Bharat
Stage-III emission norms in case of four wheelers and Bharat Stage-II
emission norms for two and three wheelers.]
3
[iv) for the vehicles manufactured on and after the 1st day of April, 2010,
the type approval norms as applicable, subject to minimum of Bharat
Stage-IV emission norms for Category M and Category N Vehicles
with Gross Vehicle Weight not exceeding 3,500 kg and Bharat Stage-III
emission norms for two and three wheelers.]
4
[(v) for the vehicles manufactured on and after the 1st day of April, 2016,
the type approval norms as applicable, subject to minimum of Bharat
Stage-IV emission norms for two and three wheeler.]
(b) For purposes of CNG kit approval, kit manufacturer or supplier shall obtain
the certificate from any of the test agencies authorised under rule 126 based
on engine capacity of vehicle, in the following manner, namely:
(i) CNG kit for the vehicle shall be type approved for vehicles irrespective
of make and model. Such a kit shall be considered fit for retrofitment
in any vehicle within a specified range of engine capacity of c.c. within
a range of ± 25% tolerance;
(ii) Separate type approval shall be necessary for the following types of
vehicles, namely:
(a) Two stroke;
(b) Four stroke;
(c) Carbureted;
(d) Single point fuel injected; and
(e) Multi point fuel injected.
Explanations : In the case of O.E. or conversion of “In-Use” Gasoline Vehicles,—
(a) For the purposes of granting Type Approval to a CNG kit, the tests shall be
carried out as per the Table below by the test agencies:
TABLE
Test Reference Document
(i) Mass emission tests MOST/CMVR/TAP-115/116 & notifications
issued by the Govt. of India in this respect.

(ii) Engine performance tests on engine IS: 14599-1999
dynamometer applicable for OE only
3
[(iii) Fuel consumption test S. No. 31 of the notification number SO
1365(E), dated the 13th December, 2004]

1 Substituted vide GSR 498(E), dt. 16-6-2015, w.e.f. 16-6-2015.
2 Inserted vide GSR 589(E), dt. 16-9-2005, w.e.f. 16-9-2006.
3 Inserted vide GSR 84(E), dt. 9-2-2009, w.e.f. 9-2-2009.
4 Inserted vide GSR 625(E), dt. 11-8-2022, w.e.f. 12-8-2022.