Oriental Bank of Commerce today reported a 12% increase in net profit at Rs 143.42 crore for the third quarter ended December 31, 2005 as against Rs 127.70 crore in Q3FY05.According to a release issued by the bank to the BSE today, total income increased to Rs 1,176.14 crore in Q3FY06 from Rs 1,075.61 crore in Q3FY05.