In order to apply for permanent residence permit in Serbia, you need to meet one of the following requirements:
Depending on the conditions of your VISA application, you will have to provide different documentation as requested by the Ministry of Interior of Serbia suggests.
The request for permanent residence is submitted to the registry desk of the Police Administration for the City of Belgrade, located in Bulevar Despota Stefana 107. You can see an example of the form in the following link.
If you have been granted a temporary residence in Serbia on the basis of study or education, you cannot apply for permanent residence. But, if you have spent some time in the previous period on temporary residence on the basis of study or education in the Republic of Serbia and later changed the basis of residence, you may apply for permanent residence, under the condition that only half of the time is spent on the basis of study or education.