BSNL is putting up 5,000 Base Transceiver Station (BTS) towers across the country.
Of the total, 1,250 towers will be established in Bihar to improve communication network in the interior regions of the state.
BSNL will provide free roaming services from 15 June across the country and the customers will not have to pay any charge for using the mobile services while traveling outside the circle to which their mobile connection belongs.