It's not a true story. Kahaani is a work of fiction that combines elements of drama and suspense to engage the audience. The plot and characters are crafted by the writer's imagination.
Well, the ending of Kahaani 2 shows that Durga's determination pays off. After facing numerous challenges and being in a web of lies and danger, she uncovers the hidden secrets. The movie ends with a sense of justice being served. There are some emotional moments as well when the full story comes to light and the people involved in the wrongdoings are held accountable.
Kahaani 2's full story is centered around Durga Rani Singh. She is an ordinary school teacher living her life until she is suddenly accused of a heinous crime - kidnapping a child. The movie then takes us on a roller - coaster ride as she battles against the false accusations. Along the way, we discover that there are complex relationships between the various characters, and there are also some hidden agendas. The movie's story is full of mystery and drama as it slowly reveals the truth behind the whole situation.
I'm not sure who specifically 'Carlton from True Story' is without more context. There could be many people named Carlton in various true stories. It might be a character from a local event, a family's true story, or perhaps a story within a particular community.