ISLAMABAD: Spokesman to the Prime Minister Dr Musadik Malik Tuesday said the Joint Investigation Team (JIT)should carry out investigation according to law and constitution.Talking to a private news channel, he said the Pakistan Muslim League-Nawaz (PML-N) government had not showed any reservation on the formation of (JIT) on Panama Papers case.Musadik Malik said the PML-N had trust in the Supreme Court and would accept its decisions.He said Pakistan Tehreek-i-Insaf (PTI) chief Imran Khan should explain that how he purchased flats in the UnitedKingdom.