The content in episode 2 of the novel might involve further development of the main characters' relationships or new plot twists. But it really depends on the author's imagination and the overall story arc.
It's possible. Episode may compensate you for your story if it meets their specific requirements and standards. However, it's not guaranteed for every submission.
As I said before, without more context, it's hard to determine exactly who Dil Nawaz is. He could be anyone from a local hero to an ordinary person with an extraordinary story.
The story of 'dil se dil tak' likely revolves around relationships. It could involve the meeting, falling in love, and facing challenges in the relationship of the main characters. Maybe there are elements of family interference, personal insecurities, or misunderstandings that the characters have to overcome. Without having watched it in detail, it's hard to say exactly, but most such shows follow a pattern of exploring the various aspects of love and relationships.