The Income Tax Department is undertaking searches at the Delhi-based independent think tank Centre for Policy Research, as reported by news agency ANI. The premises of the think tank located near Malcha Marg in central Delhi are being covered, they said. The exact reason for conducting the survey, where only business premises are covered by the taxman, was not known. Income Tax sources said that the search is being carried out based on "credible information" about tax evasion. The sources said the search "is not linked to" the income tax searches underway across some states as part of the probe into alleged tax evasion and financial impropriety by unrecognised political parties over donations received without statutory compliances. According to its website,The Centre for Policy Research (CPR) has been one of India’s leading public policy think tanks since 1973. CPR is a non-profit, non-partisan, independent institution dedicated to conducting research that contrib