PML-N Quaid and former prime minister rang up PPP Co-Chairman and former president Asif Ali Zardari on Saturday and inquired after his health.
Both the leaders also discussed a raft of issues including the prevailing political situation in the country.
Nawaz Sharif and Asif Zardari also deliberated on Sunday’s by-elections.
The PPP leader congratulated Nawaz Sharif on the acquittal of Prime Minister Shehbaz Sharif and PML-N Vice-President Maryam Nawaz from courts.