To get permanent residence in Holland after studies. You need to stay in the country for five consecutive years without any criminal record. And with a good source of income. You must know about the Dutch community. Their culture and be able to speak their language.
Besides these basic pointers. There are many other factors which you must keep in mind. Before you apply for a PR. Which you can find on the official website of the country. After fulfilling all these criteria. You can apply for a PR online by submitting your application to the IND.