The central government Wednesday told the Delhi High Court that it will issue an advisory prohibiting government employees from accessing social networking websites through officials systems and networks. A division bench of Acting Chief Justice B.D. Ahmed and Justice Siddharth Mridul asked the centre to immediately issue an advisory prohibiting public servants, who already have an official e-mail account, from using external services. (Also see: Gmail, Yahoo not to be used for official communication, centre tells court) The bench took into note the submissions of Additional Solicitor General Rajeeve Mehra that 4.5 lakh government employees have been allotted official email accounts and they have started using them. Mehra further submitted that there would be requirement of five million such account holders and setting up of such e-mail accounts would require some time and infrastructure. "You (centre) will issue an advisory that those people who have been gi