HYDERABAD, August 3: The Andhra Pradesh government is to engage international consultants to prepare a masterplan for tourism in three areas of the State – Hyderabad, Visakhapatnam and Tirupati. The State Tourism Development Corporation is to be restructured. CM N Chandrababu Naidu said at present only 25% of the tourists who came to India visited the State, and the aim of the exercise would be to improve the figures.