UNB, Dhaka :Additional secretary GM Jainal Abedin Bhuiyan, who is now on post-retirement leave (PRL), has been made chairman of Rajdhani Unnayan Kartripakkha (Rajuk) for a one-year period on contractual basis.The Public Administration Ministry issued a circular in this regard on Tuesday.The circular said GM Jainal Abedin Bhuiyan willtake charge as the Rajuk chairman on April 21. He will replace Engineer Nurul Huda as the Rajuk chairman.Nurul Huda was made Rajuk chairman on March 23, 2009 for one year on contractual basis.Later, the government extended his tenure until March this year.