<h1>Index of Eight Core Industries shows year on year expansion driven by coal, refinery products, steel, and electricity.</h1> The Index of Eight Core Industries stood at 137.5 in January 2020, up year on year and yielding a small cumulative gain for April-January. Sectoral movements were mixed: coal, refinery products, steel, cement and electricity rose month on month, while crude oil and natural gas declined; fertilizers fell marginally in January but rose cumulatively. Notes state recent months' data are provisional, renewable electricity is included, sector weights are pro rata from IIP, and a new steel product category was added.