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Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)   May 28 May 29 May 30 May 31 Jun. 1 May 28 May 29 May 30 May 31 Jun. 1 1 2 3 4 5 6 7 8 9 10 11 RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar     40.5300 40.4500 40.6400 40.7300 40.5400 — 13.65 13.66 13.99 14.01 Euro     54.5200 54.3700 54.6500 54.7400 54.5100 — 7.74 8.55 9.24 8.29 FEDAI Indicative Rates (Rs. per Foreign Currency) U.S. { Buying 40.5500 40

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)       May 21 May 22 May 23 May 24 May 25 May 21 May 22 May 23 May 24 May 25 1     2 3 4 5 6 7 8 9 10 11 RBI's Reference Rate (Rs. per Foreign Currency) U.S.     40.6000 40.6400 40.5500 40.5700 40.6000 — 12.40 12.26 12.72 12.93 Euro Dollar     54.8700 54.7400 54.5800 54.5700 54.5500 — 6.17 7.11 7.17 7.41 FEDAI Indicative Rates (Rs. per Foreign Curren

  2007 Annual appreciation (+) / depreciation (-) (per cent) Foreign Currency May 14 May 15 May 16 May 17 May 18 May 14 May 15 May 16 May 17 May 18 1 2 3 4 5 6 7 8 9 10 11 RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 40.9300 40.8700 40.8400 40.8400 40.9000 — 11.06 11.68 11.02 11.20 Euro   55.4200 55.3900 55.5600 55.2300 55.1800 — 5.76 6.01 5.61 5.07 FEDAI Indicative Rates (Rs. per Foreign Currency) U.S. { Buying 40.9300 40.8600 40.8400 40.8300

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)   May 7 May 8 May 9 May 10 May 11 May 7 May 8 May 9 May 10 May 11 1 2 3 4 5 6 7 8 9 10 11 RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 40.5700 40.7800 40.9100 41.0000 41.3400 — 10.05 9.90 9.59 9.02 Euro   55.1900 55.5300 55.4200 55.5800 55.7400 — 2.88 2.85 3.18 3.07 FEDAI Indicative Rates (Rs. per Foreign Currency) U.S. { Buying 40.5800 40.7800 40.8850 40.9850 41.3300

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)     April 30 May 1+ May 2+ May 3 May 4 April 30 May 1+ May 2+ May 3 May 4 1   2 3 4 5 6 7 8 9 10 11   RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 41.2900     41.1800 40.9000 —     8.94 9.95 Euro   56.2000     56.0700 55.4700 —     1.25 2.20   FEDAI Indicative Rates (Rs. per Foreign Currency) U.S. Buying 41.29

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)       Apr. 23 Apr. 24 Apr. 25 Apr. 26 Apr. 27 Apr. 23 Apr. 24 Apr. 25 Apr. 26 Apr. 27 1 2 3 4 5 6 7 8 9 10 11     RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 41,6700 41,6400 40.9700 40.7800 41.0700 — 8.21 9.42 10.42 9.72 Euro     56.6100 56.4600 55.9100 55.6600 55.8400 — –1.35 –0.73 0.47 0.41     FEDAI Indicative Rates (Rs. per Forei

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)   Apr. 16 Apr. 17 Apr. 18 Apr. 19 Apr. 20 Apr. 16 Apr. 17 Apr. 18 Apr. 19 Apr. 20 1 2 3 4 5 6 7 8 9 10 11 RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 42,3000 41,7300 41.8900 42.1500 41.9900 — 8.20 7.78 7.09 7.53 Euro   57.3300 56.5000 56.9300 57.2200 57.2200 — –2.69 –2.79 –2.52 –2.62 FEDAI Indicative Rates (Rs. per Foreign Currency) U.S. Buying 42.2950 41.7500 41.9000

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)     Apr. 9 Apr. 10 Apr. 11 Apr. 12 Apr. 13 Apr. 9 Apr. 10 Apr. 11 Apr. 12 Apr. 13 1 2 3 4 5 6 7 8 9 10 11   RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 42,8800 42,8600 42.8700 42.8600 42.7400 — 4.39 — 4.83 5.99 Euro   57.2700 57.5300 57.5600 57.7100 57.7900 — –5.89 — –5.42 –5.04   FEDAI Indicative Rates (Rs. per Foreign Currency) U.S. { Buying 42.8700 4

    2007 Annual appreciation (+) / depreciation (-) (per cent) Foreign Currency                     Apr. 2+ Apr. 3 Apr. 4 Apr. 5 Apr. 6+ Apr. 2+ Apr. 3 Apr. 4 Apr. 5 Apr. 6+ 1 2 3 4 5 6 7 8 9 10 11 RBI's Reference Rate (Rs. per Foreign Currency) U.S. Dollar 43,1300 42.9000 43.1500     3.43 3.99 3.57   Euro   57.6400 57.2100 57.6300     –6.71 –5.31 –4.86   FEDAI Indicative Ra

Foreign Currency 2007 Annual appreciation (+) / depreciation (-) (per cent)     Mar. 26 Mar. 27+ Mar. 28 Mar. 29 Mar. 30 Mar. 26 Mar. 27+ Mar. 28 Mar. 29 Mar. 30 1 2 3 4 5 6 7 8 9 10 11   RBI's Reference Rate (Rs. per Foreign Currency)             U.S. Dollar 43,3900   43.1400 43.4700 43.5900 —   3.52 2.81 — Euro   57.6000   57.5800 57.8900 58.1400 —   –6.84 –7.36 —   FEDAI Indicative Rates (Rs