Purnea bore the brunt of the Nor'wester with a maximum of 38 deaths.
The toll in the killer nor'wester in Bihar rose to 54 as reports of 12 more deaths came from the 12 ravaged districts on Thursday.
Home Secretary L C Goyal said 72 deaths were reported from the four states of Bihar -- 56, Uttar Pradesh -- 12, West Bengal -- 3 and Rajasthan --1.
According to media reports, 56 people -- mostly farm labourers working in the fields -- died in Bihar while 44 people were killed across Uttar Pradesh, Jharkand and Madhya Pradesh.
Four persons have died in Bihar since Monday in rain-related incidents due to the 'peripheral effect' of Cyclone Phailin, taking the death toll in the state to 14.
Bihar Chief Minister Nitish Kumar has announced an ex-gratia of four lakh rupees to the kin of those killed in the incident.