For Mazagon Dock, revenue from operations fell 16.5% year-on-year to Rs 2,446 crore from Rs 2,929 crore in the year-ago quarter. On a sequential basis, revenue declined 17% from Rs 2,942 crore in the preceding quarter. The pressure on profitability was also reflected in the company’s margins, which contracted to 8.1% from 23.7% a year earlier.