The seat fell vacant after Nawaz Sharif was disqualified by the Supreme Court.
Before leaving Gujranwala, in a meeting with leadership of PML-N, Nawaz Sharif stated that he was not given justice by Supreme Court.
The wife of ousted Pakistani Prime Minister Nawaz Sharif will contest a by-election for the parliamentary seat he vacated last month after he was deposed by the Supreme Court, party officials said.
A speeding auto accompanying Nawaz Sharif's "homecoming" motorcade crushed a nine-year-old child in Lalamusa, Punjab, on Friday, the media reported.
Crowds have rallied in support of the ousted leader who, since Wednesday, has been making his way down the major road from the capital Islamabad to his party's stronghold in the eastern city of Lahore.
So, with the disqualification of Nawaz Sharif, ruling Pakistan Muslim league Nawaz is technically a party with no head and as per ECP rules, its symbol can not be assigned to any candidate, reported Pakistan Today.
He said that the gathering of the people in different areas was the testimony that Nawaz Sharif was still prime minister of the hearts of the people and he was still ruling in their hearts and minds.
Following Kulsoom's nomination, it is taken for granted that Pakistan's current Prime Minister Shahid Khaqan Abbasi will continue as head of the cabinet until next year's general election, when Shehbaz would launch his candidacy.
Nawaz also pledged his loyalty to the public and said that he would never betray them.
Sharif said that across his journey he saw that citizens had not accepted his disqualification and asked his supporters to await his next move, without elaborating.
Mr Sharif added: "I want to ask why they ousted me. There are no allegations of corruption against me".
Sharif said he was not seeking restoration but his struggle was to institute "respect for the mandate of the people".
Sharif vowed that he would not sit back home.
The child, identified as Ahmad, was among a crowd of supporters gathered to greet Nawaz Sharif as his motorcade passed through Lalamusa. "Do not forget your promise and when Nawaz Sharif's message will reach to you, you all have to be with me", he urged the workers. While Pakistan Peoples Party's Faisal Mir, Zubair Kardar, Azizur Rehman Chan and Sajida Mir, PPP Shaheed Bhutto Group's Shakeel Gilani, Jamat-e-Islami's Zikrullah Mujahid and Pakistan Awami Tehreek's Ishtiaq Chaudhry submitted their nomination papers.