The WPI inflation stood at negative 2.4% in May 2015, compared with a negative 2.65% in April 2015.
The 30-share Sensex ended 50 points lower at 28,112 and the 50-share Nifty declined 12 points to close at 8,531.
Weak GDP data and unfaouvrable global data has pulled down Sensex, Nifty.
It's difficult to understand if GDP growth has actually improved.
The 30-share Sensex ended down 30.30 points at 28,161.72 and the 50-share Nifty dipped 7.95 points at 8,543.
A majority of India's billionaires gained wealth in the last one year in spite of the stock market decline.