Hindalco Industries, the Aditya Birla Group metals flagship, on Thursday posted a 62.9 per cent decline in consolidated profit after tax at Rs 1,362 crore for the quarter ended December 31, 2022 mainly due to elevated input costs, unfavourable macros and inflationary impacts. The company had posted consolidated Profit After Tax (PAT) of Rs 3,675 crore in the year-ago period, Hindalco said in a regulatory filing.