Utkal Alumina International Ltd, a 100 per cent subsidiary of Aditya Birla Group owned Hindalco Industries, has sought environment clearance to double capacity of its alumina refinery in Odisha from 1.5 million tonnes per annum (mtpa) now to three mtpa.
The expansion estimated to cost Rs 4000-5000 crore, would be effected in phases. Initially, the alumina refinery near Kashipur in Rayagada district would be de-bottlenecked to reach a capacity of two mtpa. Investment in the first phase is pegged at Rs 1000 crore.
The expert appraisal committee (EAC) of the Ministry of Environment, Forests & Climate Change would take up Utkal Alumina's