Chief Minister Punjab Mian Shahbaz Sharif has departed for Dubai here on Saturday, to attend Pakistan Business and Investment (PBI) Conference. According to media reports, talking to media here at Allama Iqbal International Airport on Saturday Chief Minister Punjab Mian Shahbaz Sharif said that the purpose to attend PBI Conference is to convince the foreign investors on investment in Pakistan and joint venture in life stock, dairy farm, agriculture and power generation. Answering to question regarding meeting with federal Finance Minister Hafiz Shaikh over RGST, he replied that he has apologized to cooperate on RGST. He said that Mian Nawaz Sharif has said that first of all resources should be produced then RGST would be accepted. He said that collages are neither being privatized nor fees is being increased, Board of governor is being established to improve educational system.