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

1.60

2.41

1.52

1981-82

115.5

110.0

108.9

115.9

112.3

152.8

108.5

1982-83

124.5

117.5

114.5

115.9

124.6

199.1

111.6

1983-84

132.5

126.5

121.2

101.6

144.9

245.3

127.1

1984-85

145.0

141.6

129.3

111.1

161.5

273.6

128.3

1985-86

156.7

153.7

135.4

123.8

177.0

285.8

154.7

1986-87

168.4

169.6

145.4

130.2

195.7

287.7

164.7

1987-88

178.6

182.5

158.4

136.5

211.8

286.8

172.1

1988-89

193.2

199.9

170.4

146.0

239.6

307.5

176.0

1989-90

205.3

221.6

176.2

142.9

244.9

321.7

187.2

1990-91

215.0

238.9

185.7

147.6

260.4

317.9

186.8

1991-92

229.9

259.2

201.1

177.8

288.8

285.8

185.3

1992-93

237.4

272.2

209.0

179.4

289.3

254.7

193.0

1993-94

249.9

292.3

215.8

190.5

309.1

254.7

196.1

Base : 1993-94 = 100

Weight

**

26.68

10.17

3.22

5.13

1.99

4.17

2.00

1994-95

111.0

108.5

103.2

117.2

108.8

119.3

105.9

1995-96

122.8

117.5

109.8

142.9

121.3

127.7

110.0

1996-97

127.3

121.9

116.1

151.1

133.0

121.7

117.8

1997-98

134.5

130.0

120.3

160.6

145.1

125.3

122.1

1998-99

138.3

138.6

117.8

162.8

153.4

121.1

128.4

1999-00

150.9

148.6

121.6

187.3

175.2

118.2

161.0

2000-01

158.5

154.4

125.5

199.0

173.6

120.1

194.7

* : Represents 93 per cent of the refinery throughput for base 1980-81=100.
** : Represent weight in Index Number of Industrial Production.
Also see Notes on Tables.

Source : 1. Ministry of Statistics and Programme Implementation, Government of India for base 1980-81 = 100.
2. Office of Economic Adviser, Ministry of Commerce and Industry, Government of India for base 1993-94=100.