108. In this Chapter- (a) “authorised insurer” means an insurer in whose case the requirements of the Insurance Act, 1938 (IV of 1938),are complied with, and include the Government when the business of insuring motor vehicles against third party risk is carried on by it; and (b) “certificate of insurance” means a certificate issued by an authorised insurer in pursuance of sub section (2) of section 110; and includes a cover note complying with such requirements as may be prescribed, and where more than one certificate has been issued in connection with a policy, or where a copy of a certificate has been issued, all those certificates or that copy, as the case may be; (c) “property” includes roads, bridges, culverts, cause ways, trees, posts and mile stones; (d) “third party” includes the Government.