Prof.  Madhusudan Man Singh served in Research Centre for Applied Science and Technology (RECAST) for more than 32 years and retired from Tribhuvan University (TU) service on BS 2072/08/02. We are sincerely thankful to him for his tireless effort for the betterment of this Centre. His service and dedication in this Centre has truly been outstanding. We wish for his good health and long life.