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Table 4 Harmonization of industry classification across rounds

From: Changing wage structure in India in the post-reform era: 1993–2011

Broader groups Two digit codes
NIC-1987 NIC-1998 NIC-2004 NIC-2008
1. Agriculture Agriculture, hunting and forestry, fishing 00–06 01–05 01–05 01–03
Mining and quarrying 10–19 10–14 10–14 05–09
Manufacturing 20–39 15–37 15–37 10–33
2. Mining-manufacturing-utilities Utilities-electricity, gas and water supply 40–43 40–41 40–41 35–36
3. Construction Construction 50–51 45 45 41–43
Wholesale, retail trade and restaurant 60–69 50–55; 1712; 2892; 8532 50–55 45–47; 55–56
4. Services Personal and repair services 96; 97 95 95; 96 94–98
Transport, storage and communications 70–75 60–64; 9309 60–64 49–53; 58–63
5. Professional Finance, insurance, real estate and business services 80–89 65–67; 5240; 70–74 65–67; 70–74 64–68; 77–82
Public admin., sanitary services 90; 91 75 75 37–39; 69–75
Health and medical and social services 93; 94 85; 90–93 85; 90–93 86–88; 90–93
Education and research 92 80 80 85
International services 98 99 99 99