I am quite sure riddhima also remembers the times she spent with armaan and each thing about him.
So these two might hide everything deep down them but can never forget each other.
After all he promised her that she will be his in the next 6 janams.
Now i don't know what the future holds for us Armaan-riddhima fans but this couple surely still remains a important part of the show/
For me This story was always about Armaan-riddhima and the life around them and it will always be so i believe they will get back together in the end.
Guys Now please do not come to my topic to say its Arsh and Sr all the way because i do not believe that because in this world things change and what is meant to happen will happen.
Also if u want to say riddhima is married and it will be wrong for her to go back to armaan well frankly speaking its a show not reality so anything can happen.