Dentist Nupur Talwar, mother of murdered teenager Aarushi, has expressed her desire to adopt the daughter of a fellow inmate of the Dasna jail, where she is currently lodged. Talwar, who is lodged in Barrack 13 at Dasna Jail in Ghaziabad since April 30 in connection with the Aarushi-Hemraj double murder case, has asked for permission from Dasna Jail Superintendent Dr Virash Raj Sharma to adopt a little girl named Ravina Khan, who is also lodged in jail with her mother Sakina.