Riazul Haq Juj who was recently elected MNA from NA-144 in the by-polls has joined the PML-N, a private TV channel reported on Wednesday.
Riazul Haq had met Chief Minister Shahbaz Sharif a few days back.
After his victory, PTI chairman Imran Khan had invited Riazul Haq to join the PTI.
Riazul Haq had defeated Ali Arif Chaudhry of the PML-N in the Okara by-polls