I'm not sure specifically about a 'Nagin' serial from 2015. It could be a television show. Maybe it's about a snake or a character with snake - like qualities. Without more information, it's hard to tell the full story.
The term 'ichhadhari nagin' is often associated with the concept in Indian folklore where a snake can take on human form. However, as for a real story, it could be based on tales passed down through generations. Maybe it involves a snake with special powers that interacts with humans in a particular way, like protecting a village or seeking revenge. But without more context, it's hard to be very precise.
The significance of the 'real Nagin story' could also be historical. Maybe Nagin was involved in an important event in a certain era. If it's a story passed down through generations, it might preserve the memory of a bygone time and the people in it. Without proper knowledge of the story, it's just a mystery regarding its significance.
Since I don't have enough information about 'Nagin 5', it's difficult to give a detailed full story. It could potentially be a story within a certain cultural or fictional universe. Maybe it involves a protagonist who has some kind of special power related to being a 'nagin' (a snake - like being in some mythologies) and goes through a series of adventures, like fighting against evil forces or finding their true identity.
I'm not entirely sure about the exact 'real story' of ichadhari naag nagin. In Hindu mythology, nagas and naginis are serpent - like beings. They are often associated with water, fertility, and are considered powerful entities. But the specific concept of ichadhari naag nagin might vary in different regional stories and interpretations.
I'm not sure which specific 'real Nagin story' you are referring to. There could be many stories related to someone or something named Nagin. It could be a personal story, a folktale, or something else. More context would be helpful.
Nagin is the other main character. Although not from the original series, in this fanfiction, she is likely to have her own unique traits and storylines.
I don't really know the exact Nagin 5 full story. It might be a unique narrative that could involve elements like magic, mystery, and drama. Maybe it has characters with special abilities.