While NEROCA emerged convincing winners, BYFY laboured to a 4-3 victory via the tie-breaker, the third time fate of team was decided from the penalty spot.
Kh Satish pounced on a sloppy collection by the YOSC custodian to slam home the NEROCA opener 23 minutes into the match before H Chakravorti headed in the team's second goal in the 48th minute.
K Premjit put the match beyond the Khurai side's reach with the third goal from a free kick in the 55th.Meanwhile, the BYFY win in the tie-breaker came after a keenly contested game against AIFA, Irengban ended in a 1-1 draw in normal period.
An L Thanil Meitei essay saw M Kiran head in yairipok's goal in the 18th minute but the advantage lasted for barely five minutes as JV Wangpaul restored parity for the Irengban side in the 22nd minute.
In the penalty shoot-out, BYFY's N Pritamjit, L Manglemba and K Nanaomi scored from the spot while Kiran's shot was saved by the rival custodian.
For AIFA, only S Jen and Wangpaul managed to put in past the BYFY goalkeeper as O Rakesh was denied by the keeper, K Rabi missed the mark and MS Horthing's shot sailed over the crosspiece.
Tomorrow's matches will feature NLYC (Churachandpur) versus ESU (Wangkhei) at 11.30 am while LSC will take on Citizens' Club, Soibam Leikai.