Generally, Indians require a visa for visiting Finland.
Indians will need a short-term visa that is valid for 90 days to enter Finland. This visa for the short term is also known as the Schengen visa. The Schengen visa is valid, as you may be aware, in all the European countries which are part of the Schengen Agreement. According to the Schengen Agreement, Finland is one of the countries.
You will fly to and stay in Finland with a Schengen visa and all the other 26 Schengen countries.