Depends on whether you are asking from the point of view of a buyer or a seller. In any case, here are the links to be referred (for PayPal in India): For buyers: https://www.paypal.com/in/smarthelp/article/why-is-my-paypal-account-limited-(buyer)-faq1758 For sellers: https://www.paypal.com/in/smarthelp/article/why-is-my-account-limited-(seller)-faq3180
If your account receives refunds repeatedly, then account limited. If your account not verified, then limited (temporarly). If you login from the same IP which before you login to your other LIMITED account, then also limited.