PESHAWAR (INP) The Federal Board of Revenue (FBR) will launch a survey to bring the 500,000 Afghan refugees in the country under the tax net today (Monday). Twelve teams have been set up by the FBR to conduct survey in the Peshawar markets. After the survey the Afghan refugees doing different business in Pakistan will be brought under the tax net. According to sources, the FBR will generate revenue of millions of rupees by bringing the Afghan refugees under the tax net.