In my ff all the characters are same.
Karan luthra- our very beloved tkl but along with a star cricketer he is also a good singer who sings along with situation. Loves his family a lot and love preeta. Situation made him anything else than what he was know.

Preeta arora- our preeta a simple girl. Loves her family a lot .In addition she was also fun loving you can also say that tkl hangover make her interesting and romantic  (in my ff preeta is simple but modern she wear jeans as well as sarees).
Something happened in her life which make her to hate Karan.(it will reveled later)

Other characters remain same in my ff rishabh has feeling for preeta but he understood that it was just attraction. And he got her soulmate. Who was his real love. The girl revealed when her character comes
Other was same shristi arora, sameer luthra,kareena,kritika,rakhi,mahesh,Darla,bani dadi,beeji,janki aunty and our negative character or vamp sherlyn, prithvi malhotra.
Note: my story will go in back mean it was the reverse story. And in present Karan preeta was not together.