Bank of India (BoI) today reported a 21.53% increase in net profit at Rs 208.73 crore for the first quarter ended June 30, 2006 when compared with Rs 171.74 crore in Q1FY06.According to a release issued by the bank to the BSE today, total income increased to Rs 2,331.70 crore from Rs 1,858.90 crore in Q1FY06.