version title start date end date
18 National Gas Rules Version 18 04-Jul-2013 13-Jan-2014
17 National Gas Rule Version 17 02-May-2013 03-Jul-2013
16 National Gas Rule Version 16 19-Mar-2013 01-May-2013
15 National Gas Rule Version 15 07-Mar-2013 18-Mar-2013
14 National Gas Rule Version 14 29-Nov-2012 06-Mar-2013
13 National Gas Rule Version 13 26-Jul-2012 28-Nov-2012
12 National Gas Rule Version 12 13-Oct-2011 25-Jul-2012
11 National Gas Rule Version 11 15-Sep-2011 12-Oct-2011
10 National Gas Rule Version 10 20-Jun-2011 14-Sep-2011
9 National Gas Rule Version 9 16-Jun-2011 19-Jun-2011
8 National Gas Rule Version 8 18-Mar-2011 15-Jun-2011
7 National Gas Rule Version 7 23-Dec-2010 17-Mar-2011
6 National Gas Rule Version 6 16-Dec-2010 23-Dec-2010
5 National Gas Rule Version 5 04-Nov-2010 15-Dec-2010
4 National Gas Rule Version 4 09-Jun-2010 03-Nov-2010
3 National Gas Rule Version 3 27-May-2010 07-Jun-2010
2 National Gas Rule Version 2 01-Jul-2009 26-May-2010
1 National Gas Rule Version 1 01-Jul-2008 30-Jun-2009
19 National Gas Rules Version 19 14-Jan-2014 31-Mar-2014
20 National Gas Rules Version 20 01-Apr-2014 30-Jun-2014
21 National Gas Rules Version 21 01-Jul-2014 01-Oct-2014
22 National Gas Rules Version 22 02-Oct-2014 10-Dec-2014
23 National Gas Rules Version 23 11-Dec-2014 07-Jan-2015
24 National Gas Rules Version 24 08-Jan-2015 01-Feb-2015
25 National Gas Rules Version 25 02-Feb-2015 06-May-2015
26 National Gas Rules Version 26 07-May-2015 27-May-2015
27 National Gas Rules Version 27 28-May-2015 05-Nov-2015
28 National Gas Rules Version 28 05-Nov-2015 24-Mar-2016
29 National Gas Rules Version 29 24-Mar-2016 05-Oct-2016
30 National Gas Rules Version 30 06-Oct-2016 19-Oct-2016
31 National Gas Rules Version 31 20-Oct-2016 24-Oct-2016
32 National Gas Rules Version 32 25-Oct-2016 08-Feb-2017
33 National Gas Rules Version 33 09-Feb-2017 02-Oct-2017
34 National Gas Rules Version 34 03-Oct-2017 09-Oct-2017
35 National Gas Rules Version 35 10-Oct-2017 31-Oct-2017
36 National Gas Rules Version 36
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