The Supreme Court on Monday directed to provide the highest level Z+ security cover to businessman Mukesh Ambani and his family members throughout India and abroad and the same is to be ensured by the State of Maharashtra and the Ministry of Home Affairs (MHA). The entire cost of providing Z+ security cover within the territory of India or abroad shall be borne by them, the bench of justices Krishna Murari and Ahsanuddin Amanullah said.