Based on this index, expected increase from January 2011 is 6%.
| Month | All India Index | % of increase |
| Nov 2008 | 148 | 21.44 |
| Dec 2008 | 147 | 22.38 |
| Jan 2009 | 148 | 23.39 |
| Feb 2009 | 148 | 24.32 |
| Mar 2009 | 148 | 25.12 |
| Apr 2009 | 150 | 25.98 |
| May 2009 | 151 | 26.84 |
| Jun 2009 | 153 | 27.78 |
| Jul 2009 | 160 | 29.00 |
| Aug 2009 | 162 | 30.23 |
| Sep 2009 | 163 | 31.45 |
| Oct 2009 | 165 | 32.67 |
| Nov 2009 | 168 | 34.11 |
| Dec 2009 | 169 | 35.70 |
| Jan 2010 | 172 | 37.43 |
| Feb 2010 | 170 | 39.01 |
| Mar 2010 | 170 | 40.59 |
| Apr 2010 | 170 | 42.03 |
| May 2010 | 172 | 43.54 |
| Jun 2010 | 174 | 45.06 |
| Jul 2010 | 178 | 46.35 |
| Aug 2010 | 178 | 47.50 |
| Sep 2010 | 179 | 48.66 |
| Oct 2010 | 181 | 49.81 |