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Date : Oct 01, 2007

Table 31 : Index numbers of infrastructure industries

Year	Composite index	Electricity	Coal	Finished steel	Cement	Crude petroleum	Petroleum refinery products*
1m	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	117.3	109.8	142.9	121.3	127.7	110.0
1996-97	127.3	122.0	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	138.4	117.8	162.8	153.4	121.1	128.4
1999-00	150.9	148.5	121.5	187.3	175.2	118.2	161.0
2000-01	158.6	154.4	125.9	199.3	173.6	120.0	193.8
2001-02	163.7	159.2	131.2	206.4	186.5	118.5	201.0
2002-03	171.9	164.3	137.2	221.5	203.0	122.6	210.9
2003-04	182.4	172.6	144.2	243.1	215.3	123.5	228.3
2004-05	193.0	181.5	153.1	263.5	229.5	125.8	238.1
2005-06	204.7	190.9	163.2	292.0	257.8	119.2	243.2
2006-07 P	222.8	204.7	172.8	326.1	281.4	125.8	273.1
P : Provisional. * Represents 93 per cent of the refinery throughput for base 1980-81 = 100. Represents 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. Ministry of Commerce and Industry, Government of India for base 1993-94 = 100.