Ballia, UP, Dec 16: Nag Chaudhary, a nephew of UP revenue minister Ambika Chaudhary on Saturday beat up a government hospital clerk and a pharmacist here after they refused to sign some bills.

Nag Chaudhary along with his three associates badly beat up the hospital staff, who alleged that the minister's nephew also put a demand of Rs 4 lakh before leaving the hospital.

Local police has registered a case against four persons.