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Talking to a private news channel, he said Pakistan Muslim League Nawaz (PML-N), had started public campaign for next elections.
He said Nawaz Sharif was the head of PML-N, and he had nominated Shahbaz Sharif for next premiership.
All the party workers and members were united on the name of Shahbaz Sharif, he added.
As far as development works were concerned, Shahbaz Sharif had shown exemplary performance in the province, he said.
All the ongoing development works would be completed under the leadership of chief minister Punjab, he added.