Leading paper manufacturer Ballarpur Industries Ltd (BILT) today announced its fourth quarter net profit up by 5.13 per cent to Rs 73.07 crore against Rs 69.50 crore reported during the same quarter last year, BILT officials told reporters here today. The company's revenue also went up by 16.60 per cent to Rs 793.20 crore over Rs 680.26 crore achieved by the company during the corresponding quarter of last fiscal.