Year

Composite

Electricity

Coal

Steel

Cement

Crude

      Petroleum

Index

Petroleum

Refinery

Products *

1

2

3

4

5

6

7

8

Base : 1980-81=100

Weight **

28.77

11.43

6.61

5.21

1.6

2.41

1.52

1981-82

15.5

10

8.9

15.9

12.3

52.8

8.5

1982-83

7.8

6.8

5.1

0

11

30.3

2.9

1983-84

6.4

7.7

5.9

-12.3

16.3

23.2

13.9

1984-85

9.4

11.9

6.7

9.4

11.5

11.5

0.9

1985-86

8.1

8.5

4.7

11.4

9.6

4.5

20.6

1986-87

7.5

10.3

7.4

5.2

10.6

0.7

6.5

1987-88

6.1

7.6

8.9

4.8

8.2

-0.3

4.5

1988-89

8.2

9.5

7.6

7

13.1

7.2

2.3

1989-90

6.3

10.9

3.4

-2.1

2.2

4.6

6.4

1990-91

4.7

7.8

5.4

3.3

6.3

-1.2

-0.2

1991-92

6.9

8.5

8.3

20.5

10.9

-10.1

-0.8

1992-93

3.3

5

3.9

0.9

0.2

-10.9

4.2

1993-94

5.3

7.4

3.3

6.2

6.8

0

1.6

Base : 1993-94=100

Weight **

26.68

10.17

3.22

5.13

1.99

4.17

2

1994-95

11

8.5

3

17.3

8.8

19.3

5.9

1995-96

10.6

8.3

6.4

21.9

11.5

7.1

3.9

1996-97

3.7

3.8

5.7

5.8

9.6

-4.7

7

1997-98 

5.7

6.6

3.6

6.3

9.1

2.9

3.7

1998-99

2.8

6.6

-2.1

1.3

5.7

-3.4

5.2

1999-00 

9.1

7.2

3.2

15

14.3

-2.4

25.4

2000-01

5.1

3.9

3.5

6.4

-0.9

1.5

20.3

2001-02

3.1

3.2

4.2

3.1

7.4

-1.2

3.7

* : Represents 93 per cent of the refinery throughput for base 1980-81=100.
** : Represents weight in Index Number of Industrial Production.
Source :
1. Ministry of Statistics and Programme Implementation, Government of India for base 1980-81=100.
2. Office of the Economic Adviser,  Ministry of Commerce and Industry, Government of India for base 1993-94=100.