Since there is not enough information about this 'aur pyaar ho gaya story', it's impossible to determine who the main characters are. It could be two young people, or it might involve more complex characters like families and friends who play important roles in the love story, but without more details, we just don't know.
Sadly, I'm not aware of the main characters in this serial. But usually in a love - themed serial, there would be a male and a female lead who are the central figures in the story.
One possible theme could be self - discovery. When people fall in love, they often learn more about themselves. Another theme could be family, perhaps the characters' families play a role in the development of their love story. Also, the theme of fate could be there. It could be that the two characters were meant to be together and that's why 'aur pyaar ho gaya'.
There is no indication that 'dua ho gaya wo shakhs novel' is a popular novel. The name itself is rather cryptic and not in line with the titles of well - known, widely - distributed novels. Popular novels usually have more accessible and marketable titles. It could be a unique work within a particular cultural or literary circle, but without further research, it's safe to assume it's not a mainstream popular novel.
I'm not acquainted with this telefilm. You could try reaching out to people who are into this kind of telefilms or check some specialized media platforms for information on the main characters.
Since I'm not acquainted with 'phir karam ho gaya novel', it's difficult to determine its main theme. It could be about love, friendship, social issues, or personal growth. To find out, you could read the book's summary on the cover or search for online discussions about it.
I'm sorry, but without knowing the details of the 'aur pyar ho gaya story', it's impossible to name the main characters. Maybe you can describe some parts of the story to me?