How to import CSV file into Dashboard?

Hi Naresh,
We are missing a lot of information in your statement. What is exactly your question.
My short answer is : Yes you can import a CSV.
Now to do what?
To import and store the file : Yes you can.
To import the data of the file and store the value in a database : Yes you can.
To import the csv and view it in the dashboard : Yes you can.
Please make a bit of research and you should find many help on this community.
Hope it helps.