I Think its not prem who is coming to india.Heer might go to Canada along with her kid. her "new darling" will meet with some accident.prem and heer will meet again. almost all the truth will come out. heer will be in the situation as in kuch kuch hota hai. She will decide to marry jai.and will return to india. Prem will follow heer and u guys no the rest....
OR
JAi will be prem' s friend . prem will come to india to attend his wedding and .....