New Delhi [India], After several schools in Delhi-NCR received "fake" bomb threats on Wednesday, the Delhi government issued an advisory asking them to check their official emails timely and inform authorities about the impending threat. Said. Urged to do. Heads of Government/Government aided and unaided schools under Directorate of Education, GNCT Delhi should ensure that emails/messages are sent to the official email ID of the school at any time of the day (before, during or after school hours). Be sent. be received. Timely investigation is carried out,'' the advisory further said, adding that if anything untoward is observed, it should be immediately informed to the concerned DDE (district/zone) and Delhi Police. And the relevant law should be informed should be informed. In case of any imminent threat or challenge, the enforcement authorities will have to take appropriate steps regarding the safety of the students in time. In the early hours of Wednesday schools were covered with the word 'Swarayim', an Arabic word used by Islamic State since 2014 to describe Islamic propaganda. According to sources, the email ID from which the threatening letter has been sent to the schools of Delhi NCR is '[email protected]'. According to sources, Delhi Police is investigating whether there is a conspiracy by any organization behind these threatening emails. According to Delhi Police, a total of 131 schools in Delhi received threatening emails on Wednesday. The Ministry of Home Affairs (MHA) issued an official statement. The email appears to be a 'hoax'. "There is no need to panic. This mail appears to be a hoax. Delhi Police and security agencies are taking necessary steps as per protocol," the statement said. The official release of the ministry said.