As many as 4,500 scouts and guides will participate in a weeklong camp at Doddaballapur commencing from January 17. The event is being organised by the Bharat Scouts and Guides-Karnataka. At a press conference on Wednesday, M.A. Chellaiah, Joint State Secretary, said Governor Vajubhai Rudabhai Vala will inaugurate the festivities on January 18.The venue is Dr. Annie Besant Scouts & Guides State Training & Camping Centre, Doddaballapur.