CHANDIGARH, Feb 18: East Zone and South Zone emerged winner and runner-up in the progressive event in the All India Ordnance and Ordnance Equipment Factory bridge tournament which concluded at Kendriya Vidyalaya in Sector 29 here today.East Zone also got first spot in the pair event. Ordnance Factory Board, Calcutta, were second. In the Duplicate event Central Zone `B' took the first spot while OFB Calcutta were second.ResultsDuplicate event: 1 Central Zone `B' (RC Shah, PK Sarkar, CN Basu, PK Das, R Chattopadhya), 2 Ordnance Factory Board, Calcutta (SK Sengupta, RN Das, DD Rai Chaudhary, SB Chakraborty, PK Chatterjee).Progressive event: 1 East Zone `B' (PK Dutta, SC Bhar, A Mukerjee, RN basu, 2 South Zone (R Rajendran, RS Narayanan, SK Gosh, RK Sen).Pair event: 1 East Zone (S Mukerjee and Ashit Ghosh) 2 Ordnance Factory Board, Calcutta (SB Chakraborty and RN Das).