GWALIOR, March 6: Hosts Madhya Pradesh were struggling at 289 for the loss of six in their first innings in reply to Bihar's 355 on the penultimate day of the four-day Ranji Super League match here today.Madhya Pradesh has yet to complete its first innings. Resuming the day at the overnight score of 116 for two, MP mustered 173 in four hours but lost four more wickets in the process. They still need 66 runs more to overhaul the rival total.The day's play could commence only after the lunch interval owing to heavy rains that had lashed the city yesterday.Brief Scores: Bihar (1st innings) 355 vs MP (1st innings) 289-6 (Devendra Bundela 56, Chandrakant Pandit 42, Nikhil Patwardhan batting 56; KVP Rao 2-37)