Aiming to eradicate tuberculosis (TB) on the lines of polio the Union Health Ministry has launched a 15-day nationwide door-to door campaign for early and better diagnosis of the infectious disease an official said. The programme under the Revised National TB Control Programme (RNTCP) is in its third phase and was started on December 4. The government plans to eradicate TB by 2025 even though the WHO has set the target period as 2030. Under the programme titled Active Case Finding (ACF) health workers such as those from ASHA and TB supervisors are visiting the 186 TB high risk districts