Stepped up efforts by Finance Ministry to check revenue leakage have resulted in a detection of evasion of over 2,158 crore rupees in direct and indirect taxes in the last quarter of 2012-13. According to an official document, the detection came through a unique initiative of online monitoring system of suspicious transactions, named 'Virtual Office', which was set up by the ministry earlier this year for real-time coordination among revenue intelligence agencies and dissemination of various inputs pertaining to movement of illegal funds.The Central Board of Direct Taxes (CBDT) has detected unaccounted income and assets of 1,408 crore rupees using this platform.