OGSB is going to organize 49th AGM, Election & 31st International Scientific Conference on 9th and 10th June 2023 at BICC. Reg. fee. Tk- 4000/-. Last date of Registration on 30th April. Pls Contact OGSB office.

OGSB is going to organize 49^th AGM,  Election & 31^st International Scientific Conference on 9^th and 10^th June 2023 at BICC. Reg. fee. Tk- 4000/-. Last date of Registration on 30^th April. Pls Contact OGSB office.