She said the people of Pakistan "know everything, and they have supported us throughout".
Maryam said that to run a social media cell was her right and that she was alleged of participating in a security meeting which was baseless.
"It's very hard for them to take this from us", said Sohail Butt, 48, a PML-N voter in the Mozang area of the city.
The seat has always been controlled by Sharif and his allies who consider Lahore to be their political stronghold.
The constituency, with more than 320,000 registered voters, has thrice elected Sharif as Pakistan's prime minister since 1990.
They were summoned after the National Accountability Bureau (NAB) last week filed four cases against Sharif, his family members and finance minister Ishaq Dar. One candidate is backed by a new party that is led by an Islamist firebrand who is subject to a $10 million bounty offered by the United States. Many voters complained that voting time was taking time and many stated that their votes were not in the polling stations concerned.
Khan, on the other hand, has been relentlessly hammering at the Sharifs for years, calling them the epitome of Pakistan's corrupt political system and calling for a new democratic era in which justice prevails and ordinary people have access to power.
"Work does get done on the local level in the constituency [by the PML-N]", conceded Zeeshan Tariq, 28, a trader from the Mozang area.
Among the candidates are Jama'at-i-Islami's (JI) Ziaur Rehman Ansari and the newly formed Milli Muslim League's independent candidate, Sheikh Mohammad Yaqoob.
A clash between PTI and ruling PML-N workers was also reported.
Yaqub's supporters have displayed posters, showing him with Hafiz Saeed, the founder of the Lashkar-e-Taiba militant group.
The JuD and Falah-i-Insaniat activists openly campaigned for Yaqoob and also set up two mobile hospitals in NA-120. Sheikh, the MML candidate, was also named as by the USA as a "specially designated global terrorist" in 2012, for his alleged role in leading fundraising and operations for LeT.
For the first time in Pakistan, Biometric Voter Verification Machines are being tested.
"Will you take revenge for your disrespected vote?" "Everyone in the USA said it would be her victory, and they all proved wrong".