Kochi Refineries has posted a decline of 7.29% in net profit at Rs 162.7 crore for the second quarter ended September 30, 2005 as compared to Rs 175.5 crore in the quarter ended September 30, 2004.According to a release issued by Kochi Refineries to the BSE today, total income increased 19.54% to Rs 3,678.3 crore in Q2FY06 as against Rs 3,076.8 crore in Q2FY05.