If they bring Purab back only to show him as a negative character (who knows? Sony and TnD have already messed up the show 😕), which is absolutely contrary to what he was potrayed as before...then it's better that he not come.
If they bring him in, show him as apositive character, and stick to the original story of BLF, there's no point in his return.
If they bring him back, and get him n jojo married in the end, then he should be back.
Humm, thanks for the news.