Covid-19 cases in Delhi, the Union Home Ministry has said that its officers up to the level of Under Secretary can work from home and only 50% employees need to attend office.In an office memorandum, the government stated that all officers who attend the office can stagger timings with entry into the office spread between 9 am to 10 am with corresponding office exit timings and those living in containment zones be exempted from attending office, according to a PTI report.The home ministry order read: "In view of the unprecedented rise in the numbers of Covid-19 cases in Delhi, it has been decided to take measures to prevent its spread."The notification said officers of the level of Under Secretary or equivalent and below be allowed to work.