New Delhi, Sept. 29 -- India's industrial output expanded at 4% in August, slipping from July's upwardly revised 4.3% growth, as a slowdown in manufacturing offset the recovery in mining and electricity sectors, official data showed on Monday.

Industrial production had been on a decline since January, before it recovered in July, aided by an uptick in manufacturing and mining output. Previously, the Union statistics ministry had reported a 3.5% industrial output growth for July.

The manufacturing sector, which saw steady incremental growth since the beginning of this fiscal year to its fastest expansion of 5.38% in July, slowed to 3.8% in August as people postponed some purchases till the GST relief took effect this month.

Mining outpu...