InfoPath Dev

Could anyone please me regarding infopath form 2007.I have a dropdown in infopath form 2007.My form receive and submit data to a web serviece which is my main datasource.I need to receive data into that dropdown from a secondary datasource not from the main datasource. My problem when I am clicking run query I am getting duplicate value for an entry

Hi Soma,

InfoPath 2007 has a checkbox on the properties dialog labeled "Only show entries with unique display values".  Check that and you should be good to go!