A congressional commission assembled to look into the incident blamed both the company and regulators, and called for civil and criminal investigations to continue.
Total revenue from operations jumped 63% to 99.82 billion rupees, while revenue from its iron and steel segment surged 73 percent to 86.45 billion rupees.
Meanwhile, Nexa Resources, a unit of Votorantim, has just approved a $392 million capital expenditure in a zinc mining project in the Brazilian state of Mato Grosso.
