The Grand Alliance in Bihar has come to an understanding about the sharing of the state's 40 Lok Sabha seats. Sources said the under the deal, Lalu Yadav's Rashtriya Janata Dal will contest 26 seats, the Congress 9 seats, the Left parties five of which the CPIML will contest three seats. The parties will hold a meeting in Delhi today to take a final call on the constituencies, after which the formal announcement will be made from Patna, sources said.