Yes. It's quite an interesting watch. The fact that it's based on a true story gives it an authenticity that draws you in. The characters are well - developed and the plot is engaging.
The 'kathal real story' is rather ambiguous without more context. It could be a family story, a historical account, or even a fictional tale that someone has named with the word 'kathal'. Maybe it's a story from a particular community where 'kathal' holds some special significance, like it was used in a traditional ceremony or was part of a local legend.
Another movie with a notable love story is 'Kaazhcha'. Here, Mammootty's character's love for his son was intertwined with a love story of sorts. His relationship with his family and the sacrifices he made for them could be seen as a form of love story. It showed the depth of a father's love, which is also a kind of love story that Mammootty has been able to portray effectively in his movies.
I'm not sure specifically what the 'kathal original story' is as it could be something very specific or regional. It might be a story related to a particular culture, family, or event. Without more context, it's difficult to say exactly.
The 'kathal a jackfruit mystery' real story might be about a discovery related to the jackfruit. For example, it could be a mystery in the field of botany where scientists were trying to understand a unique characteristic of the kathal or jackfruit. Perhaps they found an unusual genetic trait that was not known before, which led to a series of investigations and thus became a mystery story in the scientific community.