Hello Aspirant,

Best practice for preparation of any exam is considered as solving previous years' papers as much as you can because it enhances your confidence level as well as time management skill.

In your case there might be some network issue or link might be broken or something else. I am giving you the link below from which you can download all previous years' papers with there answers :-

https://engineering.careers360.com/articles/gate-question-papers

If you face same issue with the above link also then try to check your network connection. With preparation, you can have an idea of the college which you can get on the basis of your estimated marks using GATE College Predictor 2020, link for the same is given below :-

https://engineering.careers360.com/gate-college-predictor?icn=gate-college-predictor&ici=clevertap-sticky-qna-web

I hope this information cleared your doubts.

Good Luck!!