Pakistan Muslim League-Nawaz (PML-N) President Nawaz Sharif on Sunday reached the Parliament House as the National Assembly session was about to pass the constitutional amendment.
According to details, the former prime minister was flanked by former Punjab chief minister Hamza Shehbaz.
The PML-N supremo was welcomed by Prime Minister Shehbaz Sharif.
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Separately, Pakistan Peoples Party (PPP) senior leader Sherry Rehman said on Sunday that the incumbent government has invited the Pakistan Tehreek-e-Insaf (PTI) for special committee on many occasions.
Expressing her thoughts during the key Senate session, Rehman said: "The PTI had no proposals over the constitutional amendment in 10 meetings of the parliamentary committee.
She acknowledged the role of the PPP leadership, stating, "The PPP had a laid the foundation of the constitution. 80 percent of the clauses of the charter of democracy were included through the charter of democracy."
Lavishing her praise on PPP Chairman Bilawal Bhutto-Zardari, Rehman said: "Everybody will acknowledge that Bhutto-Zardari has played vital role for the sake of the constitutional amendment."
"It is not a bad omen to engage in politics, the PPP has rendered sacrifices for the uplift of the politics," she stated.