Table 2: Indian Railways : Total Net Work 
  (kms)
Year Total  of which: Percent Running of which: Percent Total of which: Percent Single Double
  Route Electrified to Total Track Electrified to Total Track Electrified to Total Line Route Line Route
  Length     Length     Length     Length Length
1950-51 53596 388 0.72 59315 937 1.58  
1955-56 55011 388 0.71 60845 937 1.54  
1960-61 56247 748 1.33 63602 1752 2.75  
1965-66 59061 2423 4.10 68378 4847 7.09  
1968-69 60014 3247 5.41 70691 6537 9.25  
1973-74 60441 4191 6.93 74401 8401 11.29 101028 10823 10.71 47930 12304
1977-78 60803 4720 7.76 75012 9360 12.48 103325 12037 11.65 47926 12767
1979-80 60933 4820 7.91 75450 9562 12.67 103906 12305 11.84 47989 12944
1984-85 61850 6325 10.23 76963 12018 15.62 106124 15590 14.69 48516 13334
1989-90 62211 9100 14.63 78319 17332 22.13 108429 23409 21.59 47985 14226
1991-92 62458 10653 17.06 78969 20049 25.39 109338 26585 24.31 47854 14605
1996-97 62725 13018 20.75 80754 24101 29.84 107360 31583 29.42 47396 15329
2001-02 63140 15994 25.33 82354 29567 35.90 109227 39030 35.73 47016 16124
2002-03 63122 16272 25.78 82492 29974 36.34 109221 39358 36.04 46904 16218
2003-04 63221 16776 26.54 83859 30589 36.48 108486 41916 38.64 46940 16281
2004-05 63465 17496 27.57 84260 32686 38.79 108805 43364 39.85 46800 16665
CAGR (%)  
1951-56 0.52 0.00 0.51 0.00  
1956-61 0.45 14.03 0.89 13.33  
1961-66 0.98 26.50 1.46 22.57  
1966-69 0.53 10.25 1.12 10.48  
1969-74 0.14 5.24 1.03 5.15  
1974-78 0.12 2.41 0.16 2.19 0.45 2.15 0.00 0.74
1978-80 0.11 1.05 0.29 1.07 0.28 1.11 0.07 0.69
1980-85 0.30 5.59 0.40 4.68 0.42 4.85 0.22 0.60
1985-90 0.12 7.55 0.35 7.60 0.43 8.47 -0.22 1.30
1990-92 0.20 8.20 0.41 7.55 0.42 6.57 -0.14 1.32
1992-97 0.09 4.09 0.45 3.75 -0.36 3.51 -0.19 0.97
1997-02 0.13 4.20 0.39 4.17 0.35 4.33 -0.16 1.02
2002-05 0.17 3.04 0.77 3.40 -0.13 3.57 -0.15 1.11
1951-05 0.31 7.31   0.65 6.80   0.35 6.83   -0.11 1.46
Indian Railway : Net Work: Broad Gauge System 
  Total  of which:   Single     Double/ of which: Percent Running Track
Year Route Electrified Percent Line of which: Percent Multiple Electrified to Total Track Length
  Length   to Total   Electrified to Total Line        
1977-78 30909 4554 14.73 18610 595 3.20 12299 3959 32.19 43922 63713
1979-80 31228 4654 14.90 18752 604 3.22 12476 4050 32.46 44410 64377
1984-85 33553 6158 18.35 20496 1237 6.04 13057 4921 37.69 47513 68654
1989-90 34544 8934 25.86 20669 1587 7.68 13875 7347 52.95 49447 71563
1991-92 35109 10487 29.87 20885 2079 9.95 14224 8408 59.11 50411 72847
1996-97 41971 12854 30.63 26733 2848 10.65 15238 10006 65.66 59070 81121
2001-02 45099 15830 35.10 29058 3488 12.00 16041 12342 76.94 63780 87184
2002-03 45622 16112 35.32 29484 3743 12.70 16138 12369 76.65 64461 87889
2003-04 46807 17343 37.05 30573 4404 14.40 16234 12939 79.70 66754 88547
2004-05 47749 17361 36.36 31104 4251 13.67 16645 13110 78.76 67932 89771
CAGR (%)  
1978-80 0.51 1.09 0.38 0.75 0.72 1.14 0.55 0.52
1980-85 1.45 5.76 1.79 15.42 0.91 3.97 1.36 1.29
1985-90 0.58 7.73 0.17 5.11 1.22 8.35 0.80 0.83
1990-92 0.81 8.34 0.52 14.46 1.25 6.98 0.97 0.89
1992-97 3.63 4.15 5.06 6.50 1.39 3.54 3.22 2.17
1997-02 1.45 4.25 1.68 4.14 1.03 4.29 1.55 1.45
2002-05 1.92 3.13 2.29 6.82 1.24 2.03 2.12 0.98
1974-05 0.81 2.51   0.96 3.71   0.56 2.24   0.81 0.64
Source: 1.GOI (2006), Explanatory Memorandum on the Railway Budget 2006-7 and Previous Issues  
              2.GOI (2005), Railway Year Book, Railway Board and Previous Isssues