- Govt to replace WPI with Producer Price Index, new series from June 15 The Hindu
- Explained | Why Centre is replacing Wholesale Price Index with Producer Price Index Deccan Herald
- WPI To Be Replaced With PPI System Deccan Chronicle
- Govt to roll out Producer Price Index over next 5 years, WPI phase out to happen gradually The Times of India
- India To Launch Producer Price Index And Revamped WPI From 15 June Swarajyamag