Bank of India (BoI) swept through a sluggish economy, registering an increased 18.5 per cent total business of Rs 6.75 lakh crore year-on-year for the financial year ended March 31, 2013, CMD V R Iyer announced on Monday. Its operating profit for 2012-2013 increased by 11.42 per cent while net profit for the same period was Rs 2,749 crore. The bank has proposed a 100 per cent dividend against last year’s 70 per cent.