On month-on-month basis, it stated the urban index rose by 1.10 per cent in May, up by 0.25 per cent from 0.85 per cent recorded in April.
India's annual retail inflation accelerated to a four-month high in May, driven by higher fuel prices and a depreciating rupee, strengthening views that the central bank could raise interest rates again in August.
"This is 0.87% points less than the rate recorded in April 2018 13.34% and represents the sixteenth consecutive disinflation since January 2017", the report read.
The report stated that in May, inflation was highest in Kebbi (14.65 per cent), Yobe (13.68 per cent) and Jigawa (13.62 per cent).
Retail inflation now stands at a four-month high after topping the 4.58 per cent it recorded in April.
Inflation rate reduces by 0.87% from April.
RBI had said the decision of the Monetary Policy Committee to hike the rate was consistent with the neutral stance and in consonance with the objective of achieving the medium-term target for CPI inflation of 4 per cent within a band of (+/-) 2 per cent, while supporting growth.
"On a month-on-month basis, the headline index increased by 1.09% in May 2018, up by 0.26% points from the rate recorded in April 2018". This rise in the index was caused by increases in prices of Potatoes, yam and other tubers, Vegetables, Fish, Bread and cereals, Fruits and Meat.
It, however, measured the CPI at 14.79 per cent in the period under review, showing 0.41 per cent point lower from 15.20 per cent recorded in April.
On Tuesday, the ONS said wage growth slowed to 2.8% in the three months to April from 2.9%.
Air fares, which were influenced by the early timing of Easter this year, registered annual inflation of 8.2 per cent, having fallen by 7.9 per cent in the prior month.
On month-on-month basis, the urban index rose by 1.10 percent in May 2018, up by 0.25from 0.85 percent recorded April, while the rural index also rose by 1.08 percent in May 2018, up by 0.26 percent from the rate recorded in April (0.82) percent. A Reuters poll of economists which predicted the inflation to come at 4.83 per cent, also suggested more policy tightening from RBI in the coming months.