The tax on vehicles or animals shall be leviable upon the owner of, or the person having possession or control of, such vehicles or animals in respect of which the tax is leviable:
     Provided that in the case of an animal generally used or employed in drawing any vehicle, the tax in respect of such animal shall be leviable upon the owner of, or the person having possession or control of, such vehicle, whether or not such animal is owned by such owner or person:
     Provided further that the tax under this section shall not be levied in respect of--
         (a) vehicles and animals belonging to the Central Government or to the Government or to the Council used or intended to be used solely for public purposes;
         (b) vehicles intended exclusively for the conveyance free of charge, of the injured, the sick or the dead;
         (c) children's perambulators or tricycles;
         (d) a cow or a she-buffalo kept for milking for domestic use if the cow or the she-buffalo is the only cow or she-buffalo kept by the owner or the person having possession or control thereof for such milking and is registered in accordance with bye-laws made in this behalf, so, however, that--
             (i) where more cows or, as the case may be, more she-buffaloes than one are kept by several such owners or persons constituting a family, the tax under this section shall be levied in respect of all such cows or all such she-buffaloes;
             (ii) where a cow and also a she-buffalo are kept by the owner or the person having the possession or control thereof or by several such owners or persons constituting a family, the tax under this section shall be levied in respect of the cow and the she-buffalo.