India's annual rate of inflation based on wholesale prices increased to 5.13 per cent in September from August's 4.53 per cent, official data showed here on Monday.

The annual rate of inflation, based on monthly WPI, stood at 5.13% (provisional) for the month of September, 2018 (over September, 2017) as compared to 4.53% (provisional) for the previous month and 3.14% during the corresponding month of the previous year, said an official release.

Build up inflation rate in the financial year so far was 3.87% compared to a build up rate of 1.50% in the corresponding period of the previous year, it added.

In August, wholesale inflation had eased to a four-month low of 4.53% on softening food prices, especially vegetables. Inflation based on the Wholesale Price Index (WPI) based inflation was 5.09% in July and 3.24% in August last year.

During the month, food articles registered deflation at 4.04% in August 2018. Last month, deflation in this category was 2.16%. Deflation in vegetables was 20.18% in August, as against 14.07% in the previous month.

In September, while the indexes for food articles group and non-food-articles group declined by 0.2 percent each, the e index for minerals group rose by 9.7 percent.

The index for crude Petroleum & natural gas group rose by 1.1 percent.