The company also missed its offtake target of 35.54 MT during the month. Coal India's (CIL) actual offtake in August was 35.10 MT, the PSU said in a filing with BSE.
However, no reasons were given by the company for missing both the output and offtake target.
Against the output target of 173.04 MT in the first five months of the current fiscal, CIL produced 167.3 MT of coal, the company said. The company's offtake from April-August was 188.57 MT, while the target was 192.4 MT, the company added.
Coal India had also marginally missed its output target for July by two per cent, producing 32.77 million tonnes (MT) of dry-fuel during the month.
CIL, which accounts for over 80% of the domestic production, contributed 452.5 MT of coal in the previous financial year, compared with the target of 464 MT. The coal ministry set a production target of 482 MT and offtake of 492 MT for CIL for 2013-14. The shares of CIL were trading at R256.15 apiece on BSE, up 2.26 per cent from its previous close.