<h1>India's Wholesale Price Index Shows 10.66% Inflation in September 2021, Driven by Mineral Oils and Metals Price Surge.</h1> The Office of the Economic Adviser in India released the provisional Wholesale Price Index (WPI) for September 2021, showing an annual inflation rate of 10.66%, up from 1.32% in September 2020. This increase is attributed to rising prices in mineral oils, basic metals, and other commodities. The WPI for all commodities rose slightly by 0.07% from August to September 2021. Primary articles and fuel power saw a decline in their indices, while manufactured products experienced a slight increase. The food index showed a minor increase, but its inflation rate decreased significantly from the previous month.