The development came hours after the Supreme Court of Pakistan opined that the Senate election is held "under the Constitution" and thus cannot be conducted through an open ballot, as per the government's demand.
The proposal was tabled by Senate Chairman Sadiq Sanjrani to the opposition lawmaker Ghafoor Haideri.
The election tribunal dismissed the petition challenging the Senate nomination of Vawda.
Today is the final day of the two-day process for election tribunals to hear and decide and appeals against acceptance and rejection of Senate nominations.
"I would request our PTI candidate to ask for re-polling in the 20 polling stations Opposition is crying hoarse over in the Daska NA 75 bye- election," the PM tweeted.
Election Commission of Pakistan (ECP) will meet today to decide whether to announce the unconfirmed and unofficial results or not.
Issuing a schedule for the Senate elections, set to be held on March 3, the ECP said candidates can file nomination papers with the returning officer on February 12 and February 13.
The Senate polls will see the election of 48 senators.