HDFC Bank reported a 45.23% increase in net profit at Rs 429.3 crore for the third quarter ended December 31, 2007 when compared with Rs 295.6 crore in Q3FY07.Total income increased 64.35% to Rs 3,405.7 crore from Rs 2,072.2 crore in Q3FY07, according to a release issued by the bank to the BSE today.