The Finance ministry said a host of factors including the reform measures taken by the government and decline in global oil and commodity prices have led to lower inflation. In a statement, the ministry said the vigilant monetary policy stance by the RBI and adoption of a Monetary Policy Framework agreement between the government and the central bank have also resulted in moderation in inflation.WPI-based inflation has come down from 6.0 per cent in 2013-14 to 2.0 per cent in 2014-15. The wholesale inflation has been in the negative zone since November 2014 and stood at -3.8 per cent in October 2015. AIR correspondent reports, the Public Private Partnership Appraisal Committee (PPPAC) set up for the appraisal of PPP projects by central line ministries and departments has so far in 2015 approved 13 central projects proposal of 21,817 crore rupees.