Many of us don’t like adding unknown people to our friends list on Orkut. However there are people who keep sending friend requests to every other person just to increase their friends count. Personally speaking, each day I get 20+ requests on Orkut, but my friends list is limited to 112 only at this moment. I really don’t like adding unknown people to my list and that’s why I manually decline their pending requests everyday. However, you can use a filter to automatically block friend requests from unknown people.
Orkut has a privacy settings from where you can filter incoming friend requests. You can choose to get friend requests from unknown people or from people from your country only or from the people who are in your friend’s list. To set these filters, navigate to Settings >> Privacy >> Friend requests are allowed to sent by