82 Pakistan Tehreek-e-Insaf-backed candidates on Tuesday joined the Sunni Ittehad Council (SIC).
According to details, 82 MNAs had submitted the affidavits to the Election Commission of Pakistan (ECP).
Moreover, nine of the PTI-backed candidates from the Sindh Assembly had also submitted party certificates.
The SIC had directed to submit the priority list for the reserved seats sooner.
Separately, PTI leader Barrister Gohar Ali Khan on Tuesday demanded the resignation of ECP CEC Sikandar Sultan Raja amid political imbroglio.
– Barrister Gohar demands ECP CEC's resignation amid political imbroglio –
Expressing his thoughts, Khan said: "There is a dire need to hold transparent accountability for the rigged elections."
He said: "The ECP CEC has become controversial. The electoral watchdog has failed to fulfil its election duties.".
"We are having the demand to organise Form 47 in line with Form 45," Khan said.
Speaking about the negotiations with the Sunni Ittehad Council, Khan stated, "We have reached an agreement with the Sunni Ittehad Council."
"Yesterday, the list of 50 MNAs was sent to the ECP," Khan said.
He said, “The PTI had emerged victorious on the 180 NA seats.”.
"The former commissioner, Liaquat Chatta, and his family should be given protection," Khan said.