PHAGWARA: Farmers under the banner of Bharti Kisan Union (Doaba) Wednesday staged a sit-in here to protest against the alleged delay in the clearance of Rs 43 crore of dues by a local sugar mill of the last five years. BKU (Doaba) president Manjit Singh Rai said the protesters raised slogans against the Punjab government over the non-payment of sugarcane dues.