I'm not certain what you are asking.

Do you mean you want to add items to a form created with another module? Use hook_form_alter().

http://api.drupal.org/api/drupal/modules--system--system.api.php/function/hook_form_alter/7

Regards,
Todd

On 21 Jan 2012, at 13:35, Selvaraj Chnnasamy wrote:

> Hi All
>
> How do submit form one module to other module in drupal 7
>
> Regards
> Selvaraj.C

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