The eight infrastructure sectors of coal, crude oil, natural gas, refinery products, fertilisers, steel, cement and electricity, constitute 40.27 per cent of the total industrial production.
The coal sector saw a huge decline to 9.7 per cent from 11.5 per cent a month ago.
Crude oil output was minus 5.4 per cent against minus 3.4 per cent in June.
The Natural Gas production (weight: 6.88per cent) declined by 5.2 per cent in July.
July refinery products at 12.3% vs 12.1% in June.
Electricity output also dropped significantly to 4.8 per cent vs 8.4 per cent growth in the previous month.
Steel sector saw better output with data showing growth of 6 per cent vs 3.4 per cent in the month of June 2018.
The cement sector saw a growth of 10.8 per cent against 13,2 per cent in June.
A marginal increase was wittnessed in fertilizer sector that saw growth of 1.3% vs 1% in June.
During the April-July period of the current fiscal, these 8 sectors grew by 5.8 per cent as against 2.6 per cent in the year-ago period.