India's eight core industries, have a combined weight of 37.90% in the Index of Industrial Production (IIP), witnessed a growth of 7.3% in June, 2013. In May, eight core industries reported a growth of 2.3%. Its cumulative growth during April to June, 2014-15 was 4.6%.

Coal production increased by 8.1% in June, 2014 over June, 2013. Its cumulative index during April to June, 2014-15 increased by 5.6% over corresponding period of previous year.

Crude oil production increased by 0.1% in June, 2014 over June, 2013. The cumulative index of crude oil during April to June, 2014-15 declined by 0.1% over the corresponding period of previous year.

The natural gas production declined by 1.7% in June, 2014 over June, 2013. Its cumulative index during April to June, 2014-15 declined by 3.9% over the corresponding period of previous year.

Petroleum refinery production increased by1.2% in June, 2014over June, 2013. Its cumulative index during April to June, 2014-15 declined by 1.1% over the corresponding period of previous year.

Fertilizer production declined by 1% in June, 2014 over June, 2013. It registered a cumulative growth of 8.6% during April to June, 2014-15 over the corresponding period of previous year.

Steel production increased by 4.2% in June, 2014 over June, 2013.While, its cumulative index during April to June, 2014-15 increased by1.6%over the corresponding period of previous year.

Cement production increased by 13.6 % in June, 2014 over June, 2013. Its cumulative growth during April to June, 2014-15 was 9.5% over the corresponding period of previous year.

Electricity generation increased by 15.7% in June, 2014 over the period of June, 2013 and it registered a cumulative growth of 10.9% during April to June, 2014-15 over the corresponding period of previous year.