OPA 60 Years Diamond Jubilee Celebration program held on Friday, 18th December 2015 at Radisson Chittagong Bay View Hotel from 6pm to 11pm. In this program Chief Guest was Most Rev. Bishop Moses Costa CSC and Special Guest was SPS Headmaster Brother Prodip Louise Roazario CSC. In this occasion around there was 1000 person participated who are OPA Past Presidents, OPA Life Members, Ex-Placidians and their family members. At first OPA President OPn. Mohammed Yakub and OPA 60 Years Celebration Convener OPn. Errol Gomes conduct a Speech Session in this event. After speech session there was a Cultural Program held where 1st performance was Kolkata Famous Singer Shantanu Roy. Then Kornia, renowned singer from Dhaka performed in the stage and then finally the Famous Band Warfaze performed in the stage. A dinner was severed by Radisson Hotel at 9pm. All OPA memebers took part in taking photography in the Photo Stage. All OPA Members thanked OPA Executive Committee for arranging this nice program in short time. A Souvenir was published on the occasion of OPA 60 Years Diamond jubilee Celebration and 300 OPA Life members got a special gift on the occasion of OPA 60 Years Celebration program.