BSNL Madurai has floated a tender for appointment of new business partners/ franchisees to sell its SIM cards and recharge services. In a statement, its Principal General Manager P. Loganathan said BSNL Madurai Business Area had got 573 4G mobile network towers in Madurai, 250 in Karaikudi, and 178 in Virudhunagar. As the BSNL offerred high-quality 4G services at affordable tariffs, the number of mobile users had been increasing.