The growth of eight core infrastructure sectors slowed down to 2.6 per cent in April, due to negative growth in crude oil, natural gas and fertiliser output.
Coal generation growth was flat at 2.8 pet cent in April 2019, said the government data.
The output of electricity and refinery products was 5.8 per cent and 4.3 per cent, respectively.
Crude oil, natural gas, and fertilizers sectors posted decline in growth during the month.
The infrastructure sector growth has impact on the Index of Industrial Production (IIP) as these segments account for about 41 per cent of the total factory output.