The largest contingent of 113 from South Africa, followed by Scotland with 77 athletes and officials will land in the Indian capital for the Oct 3-14 Games.
The other large contingents arriving are of England (61), Australia (59) and Canada (30).
The officials and athletes from New Zealand, Wales, Namibia, Jamaica, Botswana, the Bahamas, British Virgin Islands, St. Vincent and the Grenadines, and Kiribati are also arriving.
Chefs-de-Mission of Niue Island, Malawi and St. Vincent & the Grenadines are expected Monday.
A large international media contingent will be arriving to cover Delhi 2010.
Some 7,000 participants and officials from 71 countries and territories are expected to attend the Commonwealth Games, India's biggest sporting event since the 1982 Asian Games.