PTI, PPP invite applications for NA-49 by-polls Published On The seat fell vacant due to the resignation of Faisal Vawda. KARACHI (Dunya News) – Pakistan Peoples’ Party (PPP) and Pakistan Tehreek-e-Insaf (PTI) have started the process of inviting applications from the aspirants of the party tickets for the for by-elections in NA-249 constituency from Karachi. The seat fell vacant due to the resignation of Faisal Vawda. The PTI leader had resigned from the National Assembly seat due to the Senate. On the other hand, the PPP has directed those interested to submit their applications for tickets within a week along with all the documents for the by-elections.