Well, to know if Kala is a real story, we need to look at the source and the evidence presented. If it's well-documented and verified, it might be real. But if there are inconsistencies or no reliable sources, it could be more fictional than real.
Since we don't know the actual 'Amal wife story', it's hard to determine the significance. It could be that she plays a crucial role in Amal's character development, or she might be the key to a certain plot twist in the story.
The term 'amal complete novel' is rather ambiguous. It could be a novel that is part of a series named 'amal' and is considered complete in itself, not requiring other books in the series to be fully understood. Or perhaps it's a novel that has been fully realized in terms of its narrative arc, character development, and world - building. It might also be a title given by a particular publisher or author to denote a novel that they consider to be a comprehensive and finished piece of work.
The 'kala pani' refers to the Cellular Jail in the Andaman and Nicobar Islands in India. The real story is about the British using it as a prison during their colonial rule. Many Indian freedom fighters were sent there. It was a place of great suffering and torture. The inmates had to endure harsh living conditions, forced labor, and brutal treatment by the jail authorities.