ISLAMABAD  - Pakistan Tehreek-e-Insaf (PTI) Chairman Imran Khan has said that after the decision of the Supreme Court in Asghar Khan case, President Asif Ali Zardari has the opportunity to take strict action against Sharif brothers who had taken money to establish IJI and prove that there is no collation of Nawaz League and PPP. Imran Khan, in a statement on Sunday, said that Asif Zardari should take exemplary action against Sharif brothers and he should finish the impact of collation between PPP and Nawaz League.  In the light of Supreme Court order, there should be a neutral investigation against those who had taken money from secret agencies so that corrupt elements should be finally eliminated, Imran Khan said and added it has been proved that the money had been given to establish IJI, and it is also clear that who had received the money. He said that the government should implement decision of the Supreme Court at once and disqualify those who received the money.  The PTI chairman said corruption is rampant in the country. Punjab province has become a defaulter because of the corruption and worst performance of the weak leaders, he said and added the province is running on overdraft.