DCI's operating revenue decline by 5% and up by 3% on Y-o-Y and Q-o-Q basis respectively during the Q4FY15.EBITDA has seen massive jump by 54% and 91% on Y-o-Y and Q-o-Q basis respectively during the quarter because repair and maintenance has dropped by 94% and 99% on Y-o-Y and Q-o-Q basis respectively.