On consolidated basis, Quarter ended Sep 2021 compared with Quarter ended Sep 2020. Net sales (including other operating income) of Coal India has increased 10.11% to Rs 23291.08 crore. Operating profit margin has declined from 18.79% to 16.93%, leading to 0.82% decline in operating profit to Rs 3,942.31 crore. Raw material cost as a % of total sales (net of stock adjustments) increased from 8.39% to 8.61%. Employee cost decreased from...