 Sualeha, daughter of Doctor Dawood Director General from Institute of Scientific Research and Sualeha is also a friend of Surayya (Imran's sister), from Imran Sereis Novel 48 Doosri Aank).Sing Hee is a criminal genius and treacherous villain.As well as appearing in the Imran Series, he also appears in Ibn-e-Safi's series "Jasoosi Dunya" (The Spy World).