In Tamil Nadu, Income tax authorities are carrying out searches in the premises of a group of cash handlers and financiers in Chennai and Tirunelveli since this morning. Officials of the IT investigation wing told AIR News, the searches are based on information that they are mobilizing cash from unaccounted sources for possible use in the elections. 10 places in Chennai and one in Tirunelveli are being covered in the operation.<br />''<span style="color: #222222;"><br />''Also, a contract firm called PSK Engineering Construction Company is being raided by the IT sleuths since this morning. Its three premises in Chennai and four in Namakkal are being searched. Officials told AIR, the action is based on a tip-off that the firm is in possession of unaccounted cash.</span><br />