The entire hotel has been booked for party leaders and other officials accompanying them. The online booking has suspended for the time being.'

Shimla Superintendent of Police R.M. Sharma said most of the leaders are scheduled to land at the Jubbarhatti airport from where they would drive straight to the meeting venue.

'We have made special security arrangements during the visit of the VVIPs in the town,' he said.

A senior party leader said the meeting would look into the causes that led to the party's recent defeat in the parliamentary elections and its strategy for the forthcoming assembly elections, including those in Haryana, Maharashtra and West Bengal. The defiance shown by Vasundhara Raje over her resignation could also echo at the session.

Over 25 senior party leaders -- including members of the parliamentary board and chief ministers Narendra Modi (Gujarat), Raman Singh (Chhattisgarh), Ramesh Pokhriyal (Uttarakhand) and B.S. Yeddyurappa (Karnataka) -- will participate in the three-day introspection exercise.

The party's deputy leader in the Lok Sabha Sushma Swaraj has already indicated in New Delhi that former foreign minister Jaswant Singh's views on Pakistan founder Mohammad Ali Jinnah would certainly be the subject of a detailed discussion during the Shimla session.

BJP sources said Advani has invited all party legislators from Himachal Pradesh to dinner Tuesday.