New Delhi: According to data released by the government, the growth rate in eight major sectors declined to 4 per cent in June, a 20-month low, due to a fall in the production of crude oil and refinery products. Core sector growth stood at 6.4 per cent in May. In June 2023, the growth of eight major sectors such as coal, crude oil, natural gas, refinery products, fertilizers, steel, cement and electricity was 8.4 per cent. The previous low of core sector growth was recorded at 0.7 per cent in October 2022. The core sector growth in the April-June period of the current financial year has been 5.7 per cent. Which was 6 per cent in the same period last year. It is worth noting that the contribution of eight major sectors in the Index of Industrial Production (IIP) is 40.27 per cent. In June, crude oil production fell by 2.6 per cent and refinery product production by 1.5 per cent.