Britannia Industries today reported a 176.83% increase in net profit at Rs 45.4 crore for the quarter ended December 31, 2007 as against Rs 16.4 crore in Q3FY07.According to a release to the BSE, the company's total income rose 15.79% at Rs 662.7 crore for the quarter ended December 31, 2007 as against Rs 572.3 crore for the quarter ended December 31, 2006