Commonwealth Games Federation chief Mike Fennell has warned India's capital Delhi that it faces a major challenge to be ready to host next year's games.
Many facilities being built for the event have missed deadlines. Mr Fennell said there could be no more slippages.
Last month he criticised the Indian organisers, saying construction delays posed a serious threat to the games.
International experts are to be brought in to assist the Indians in areas such as logistics, ticketing and operations.
A technical committee is also being set up which will meet each month to monitor progress and report back to the federation.
Mr Fennell was speaking in Delhi after spending several days inspecting venues there. He said he still believed the city could host a great event but warned: "Time is your enemy."
Suresh Kalmadi, organising committee chairman of the event, insisted India was up to the task.
"There are many challenges, but I can assure you that we will live up to them."
The games are due to take place in October next year.
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