It depends on how you define 'real'. If by real you mean completely factual and without any creative embellishments, then maybe not. But it might draw inspiration from real-life situations and characters.
Yes, it could be. Many stories are based on real events or inspired by them, but there might be some fictional elements added for entertainment or narrative purposes.
It's hard to say for sure. Some aspects of Mukhbir might be based on real occurrences, while others could be purely fictional. It's common for stories to blend elements of both reality and imagination.