Mukesh Ambani's security upgraded to Z+ category: Reports

The Ministry of Home Affairs (MHA) has upgraded Reliance Industries Chairman Mukesh Ambani's security to the Z+ category after the intelligence input on a threat, reports said on Thursday. Earlier, Ambani was given the 'Z' security cover. In August this year, a jewellery designer was arrested from Borivali for issuing death threats to Ambani.