GATE Previous Years Papers PDF – GATE 2020 score is valid for three years from the date of announcement of the results. Earlier students use to consider few options after cracking gate exam such as scientist or a professor but nowadays the scenario has changed and scope has widen up. Now there are many more career options that students can explore with a decent gate score and recently there is huge growth in the number of aspirants for gate exam, increasing to the tune of 1-2 lakhs every year.