Index of Industrial Production Base Year, Number of Items, Number of 2-Digit Industry Groups, Month of Release and Period of Compilation

Base

Year

Number of

Items

Number of 2-digit Industry groups

Month of

Release

Period of Compilation

From

To

1

2

3

4

5

6

1946

35

19˜

*

1947

1955

1951

88

15

Oct 1955

1952

1961

1956

201

16

July 1962

1951

1966

1960

312

16

July 1967

1961

1973

1970

352

18 **

Mar 1975

1971-72

1984-85

1980-81

352

17

Feb 1987

1981-82

1997-98

1993-94

543

17 X

May 1998

1994-95

Till date

  • Notes: Individual Industries only; * Information not available; ** Industry groups 20 & 21 shown separately; X Industry groups 35 & 36 clubbed together
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