Gazi Group batted first and accumulated 145 for six in 20 overs. Prime Doleshwar chased it down in 18 overs with three wickets in hand (146/7 in 18 overs).
Veteran all-rounder Farhad Reza hit 36 off 15 for Prime Doleshwar with three fours and three sixes. Shykat Ali helped joined him with 28 off 21 balls. Saif Hassan (17) and Farhad Hossain (32) also contributed with the bat.
Abu Hider Rony and Raihanuddin bagged two wickets each for Gazi Group who have now been eliminated from the tournament.
Earlier, Mehedi Hasan (39), Shamsur Rahman (36), Touhid Tareq (26) helped Gazi post 145.
Arafat Sunny and Farhad bagged two wickets each while Mohammad Arafat and Enamul Haque took one wicket each.
Prime Doleshwar will face Prime Bank in the semi-finals on Friday while Shinepukur Cricket Club will lock horns with Sheikh Jamal Dhanmondi Club. Both of the semi-finals will take place at Sher-e-Bangla National Cricket Stadium and will be telecasted on Gazi TV.