At the 19th congress in early April 2008 , Basu was not included on the Politburo .
Basu remained a member of the Central Committee and was designated as Special Invitee to the Politburo .
At the 19th congress in early April 2008 , Basu was not included on the Politburo , although he remained a member of the Central Committee and was designated as Special Invitee to the Politburo .