One of the main themes is friendship. The bond between Naina, Bunny and their two friends is shown throughout the story. Another theme is self - discovery. Bunny goes on his adventures around the world and through that he discovers what he really wants in life. Love is also a significant theme as Naina's love for Bunny is a driving force in the story, and eventually Bunny also realizes his love for her.
Well, the story of Yeh Jawani Hai Deewani goes like this. There's Naina, who is very much into her studies and is a bit of an introvert. Then comes Bunny. He's the life of the party, loves to travel and experience new things. Their paths cross during a trekking adventure. Along with their two other friends, they have some amazing times. Naina falls for Bunny's charm but he is too busy chasing his dreams all over the world. But at a later stage, when they reunite, Bunny has had his fill of wanderlust and discovers that what he really wants is a simple life with Naina. So, in the end, they get their happily - ever - after.
I have no direct knowledge of this 'yes ka no ka hanbun ka light novel'. But generally, light novels are known for their engaging stories and unique concepts. It might be centered around a complex relationship where the characters are constantly faced with choices that can be simply yes or no, or perhaps a more nuanced 'half' option. It could also be a story that plays with the idea of uncertainty and decision - making, using these concepts as a driving force for the plot.
I'm not sure specifically what this 'bas ka bhid me sasur ka land story' is as it seems to be a very specific regional or cultural story. It could potentially be about a piece of land that has some sort of connection to a father - in - law (sasur) in a place called Bas Ka Bhid. Without more context, it's hard to say more.
It's hard to say for sure. Sometimes stories like Sardar Ka Grandson blend real-life elements with imagination. It could have a kernel of truth but be embellished for entertainment.