Cement maker Birla Corporation has registered net profit after tax (PAT) of Rs 84.74 crore for the quarter ended June 30, 2012. This is a 24.26 per cent decline over the corresponding quarter last fiscal when the PAT stood at Rs 111.88 crore. Net sales rose 18.14 per cent to Rs 658.02 crore this quarter vis-à-vis Rs 556.97 crore in the same period last fiscal. According to the Harsh V. Lodha, chairman, Birla Corporation, profits have seen a negative impact because of closure of limestone mining at its Chanderia Units on account of the Jodhpur High Court order.