In accordance with Indian regulations, selecting a purpose for your transactions (i.e. purpose code) is essential. By choosing a purpose code, you help the regulators in identifying the exact nature of your cross-border transaction. This is required to withdraw (or transfer) funds from your PayPal account to your local bank account. It's a onetime selection and the purpose code you add is stored and used as a default purpose code for all your transactions, until you select a different one.
and it has following option(see image attached)http://forums.cgsociety.org/attachment.php?attachmentid=161680&stc=1