 Zeb-un-Nissa encouraged compilations and translations of various works also.There are multiple conflicting accounts offering explanations for the circumstances which ultimately led to her imprisonment at Salimgarh Fort, Delhi, at the edge of Shahjahanabad (present Old Delhi).In 1662, when Aurangzeb was taken ill and his physicians prescribed a change in the environment, he took his family and court with him to Lahore.