How to close Opened Connections to 'Postgres'?

Hi All,
I stuck with the problem of Hanging my application due to UNCLOSED DATABASE CONNECTIONS to postgres.
I am currently using perl-Module : Apache::DBI to Persistant Database Connections.
This Module was not CLOSING the IDEAL CONNECTIONS.

How to Close Ideal Connections????????

How can I Solve this problem??????

Thanks.

re: How to close Opened Connections to 'Postgres'?

If there is a open method there must be something to close the connection from that frontend tool / language.