PATNA, Nov. 2 -- Festive fervour has gripped Bihar. The region's most popular and phenomenally celebrated festival Chhath has begun with Nahaye Khaye on Thursday. On Friday, the devotees participated in the day-two ritual called Kharna , which also marked the beginning of 36 hours of fast by the lead lady or man, who steers all rituals in the family. On Saturday, the devotees would march to offer arghya to the setting sun along any water body and would follow up the same on Sunday morning by offering arghya to the rising sun....