Alia Bhatt gave an outstanding performance in Meghna Gulzar's film Raazi. The spy-thriller film also gave actor Vicky Kaushal the much recognition. The film was based on the book 'Calling Sehmat' by Harinder Sikka. Now months after the release of the film, writer Harinder has revealed that he is working on the sequel of the book titled as 'Remembering Sehmat'. According to Harinder, after he wrote the first book in 2008, he spent another 10 years with her, depending on the little time she gave him, he was working on his next book. According to him, the book will shed a light on how Sehmat went into depression after the mission and how she eventually fought her way out of it.