These PSUs accounted for roughly 4% of the countrys export earnings in 10-11.
The PSUs foreign exchange earnings increased by 11.4% last year against a mere 2.5% growth a year before, in 09-10.
In absolute terms, the PSUs' forex earnings increased from R43,208 crore during 08-09 to R44,271 crore during 09-10 and R49,311 crore during 10-11.
The free-on-board (FOB) value of exports also steadily increased from R42,287 crore to R48,490 crore during the three-year period.
The forex earnings-to-net sales ratio increased from 4.48% during 08-09 to 4.85% during 09-10 and decreased thereafter to 4.45% during 10-11.
Total FOB value of exports as a percentage of sales for the 50 PSUs was lower at 4.37% in 10-11 against 4.39% in 08-09.
Another feature is that three PSUs, namely Gujarat Alkalies, Nalco and TN Newsprint exported (FOB value) more than 10% of their sales during 10-11.
In value terms, exports more than doubled for three PSUs, namely GNFC, Hind Organic Chemicals and Mysore Paper.
Six PSUsIOCL, BPCL, HPCL, ONGC , MMTC and Nalcomade exports of more than R3,000 crore during 10-11. Among these PSUs, the maximum growth in exports was seen with BPCL followed by IOCL.
Among the 50 PSUs, forex earnings growth turned out to be positive during 2010-11 for 13 PSUs, notable among them are IOCL, MMTC, SAIL, BEML and Hindustan Copper. There was 23.5% growth in IOCLs forex earnings compared to a negative growth of 8.1% during 2009-10.
An opposite trend was seen in the case of HPCL, RCF, Oil India and Petronet LNG. HPCL saw a decline of 13.5% in its forex earnings during 2010-11 compared to a positive growth of 6% during 2009-10.