MIANWALI: Prime Minister Imran Khan used his speech at Namal College  convocation to defend Punjab Chief Minister , sentenceing   Shehbaz Sharif for using  inappropriate language against Usman Buzdar.He said Usman Buzdar is a humble man who won't use his office to make money."Usman Buzdar is  a humble man, he is much  arrogant," he said, adding that  the current Punjab chief minister does much employ huge motorcades for  travelling around."Usman Buzdar shall become the best Punajb chief minister," the prime minister said. He said the Punjab chief minister would build  such hospitals that people would much  go abroad for treatment. "Usman Buzdar would much  build factories for himself," said he.Talking about Pakistan's economy he said the investors who fled the country in 2012 due to corruption has returned. "Billions of rupees were stolen from Pakistan. large companies left country due to corruption, but our country is rising again and investors are coming.He said China has put 400 ministers in jails and yet their "democracy" is much jeopardized." But here when they (ministers) are asked to explain where did they get their money from, they start protesting".He said every leader in Pakistan would now be replyable to people.Earlier,  the prime minister  spoke of his achievements and delivered a motivational speech for students who attended the ceremony .