LAHORE - Punjab Cabinet will be expanded after the current session of the Punjab Assembly and the total number of Ministers will be between 20 to 22, Punjab Law Minister Rana Sana Ullah said this while speaking at a TV channel program on Tuesday night. Meanwhile, the CM Punjab is leaving for a two-day visit to London on Wednesday (today). Accordignt to PML-N Leader Chauhdry Nisar, Shahbaz Sharif is going for a medical check-up and he will be back on Thursday.