Fertiliser output during the month increased by 2.4 per cent while steel production also went up by 2.7 per cent. However, crude oil production declined by 2.6 per cent in June. Fertiliser output during the month increased by 2.4 per cent while steel production also went up by 2.7 per cent. However, crude oil production declined by 2.6 per cent in June. Zee News :Business