ISLAMABAD: Special Assistant to the Prime Minister (SAPM) on Youth Affairs Usman Dar has asked the opposition leaders to prepare for the next general elections with clear manifesto. Talking to a private news channel, he said the popularity graph of Pakistan Muslim League-Nawaz (PML-N) and Pakistan People’s Party (PPP) is already down among the masses due to their poor performance. Replying to a question about China Pakistan Economic Corridor, he said it is a national project and leaders of all political parties should play their role for improving the standard of life of the people of Balochistan.