Finolex Cables today reported a 318.28 % increase in net profit at Rs 21.5 crore for the second quarter ended September 30, 2006 when compared with Rs 5.14 crore in Q2FY06.According to a release issued by the company to the BSE today, total income increased 60.86% to Rs 277.06 crore from Rs 172.23 crore in Q2FY06.