President Asif Ali Zardari on Wednesday telephoned the PML-N leader Mian Mohammad Nawaz Sharif and exchanged Eid greetings with him. The President also condoled with PML (N) Chief over the sad demise of his uncle Mian Miraj Din, and prayed for eternal peace for the departed soul. The two leaders also agreed upon the need to work together to strengthen democracy and the democratic institutions.