Oman Cement has reported 46.7 per cent decline in net profit. The company attributed the fall to the shutdown of one of its kilns for upgradation. Net profit for the January-March period reached Rs 3.7 million, down from Rs 6.9 million in the previous year. Sales volumes fell 17 per cent to 521,667 tonne during the quarter, down from 628,553 tonne in 1Q13.