Questions

The Chinese writers mention India by the name of "Yin-tu".

WBR that is World Book of Records, the London based organization that focuses on maintaining and cataloging the world records has awarded the title of 'Most visited place in the World' to the famous Golden Temple. This holy Shrine has recorded quite an uplift after the successful Heritage street project carried out by the Amritsar department. 

Sri Harmandir Sahib, also known as Golden Temple and the Darbar Sahib, is the holiest Gurdwara and the most important pilgrimage site of Sikhism. It is located in the city of Amritsar, Punjab, India.

The other answers could be accurate in specific situations, but their role alone does not meet the keyb criterion of being "external" to the project team. Answers A, B, and D are incorrect because these individuals are not external to the project.

The pharynx is a passageway shared by both food and air.