Madurai, Apr 17: Four persons, including an employee of a district cooperative bank branch in Ramanathapuram district of Tamil Nadu, have been arrested on the charge of misappropriating bank funds to the tune of Rs 5.23 lakh between 1998 and 1994. The commercial crimes wing police arrested the accused after receiving a complaint from the sub-registrar of co-operatives, who found irregularities in the bank accounts during an inspection, police said today. All the four had been remanded to 15 days judicial custody yesterday, they said. Bureau Report