Hi Jitender ,
Problem got solved we have to fill mandotory values like
wa_getmarm-alt_unit = 'KGS'.
wa_marm2-alt_unit = 'KGS' .
wa_getmarm-alt_unit_iso = 'KGS' .
wa_marm2-alt_unit_iso = 'KGS' .
these two fields are the main and values we have to pass correctly.
Thanks for your help.