Source: Highlights The worst performance was witnessed by the capital goods sector, which recorded a contraction of 9.6% during the month under review, compared to a 4.4% decline a year ago A contraction of 3.7% was registered in the mining sector in January, against a positive growth of 4.4% in the year-ago period New Delhi: Industrial production re-entered the negative territory by contracting 1.6 per cent in January, mainly on account of the decline in output of capital goods, manufacturing and mining sectors. The output of the manufacturing sector -- which constitutes 77.6 per cent of the Index of Industrial Production (IIP) -- shrank by 2 per cent in January, as against a growth of 1.8 per cent during the same month last fiscal, as per data released by the government on Friday.