     

    ,          .          . 

            ,    . ,   1903            . 

     18  1911        (Naini),       6,5    250     13 .       : First aerial post. U. P. Exhibition. Allahabad. 1911 (  .   . . 1911). 

      ,         .               :        . 

        .        ,   ,   1908   . ,    ,         . 