<h1>Income Tax Data Reveals Rising Direct Tax Collections and Improved Efficiency from 2000-01 to 2014-15.</h1> The Income Tax Department released time series data from the financial years 2000-01 to 2014-15, detailing various aspects of direct tax collections. The data shows a consistent increase in direct tax collections, with corporate and personal income taxes being the major contributors. The contribution of direct taxes to total tax revenue rose from 36.31% in 2000-01 to 56.16% in 2014-15. The direct tax to GDP ratio fluctuated, peaking at 6.3% in 2007-08. The cost of tax collection decreased over the years, indicating improved efficiency. The number of effective assessees and the workload of income tax cases also increased significantly during this period.