Sudheer, you can very easily download jee mains previous year papers including past year papers of 2019 and more by going through our page for which link is provided below :-
These papers will help you to understand the types of questions which are asked in exam, you will understand the important topics which are covered in the exam by practising the sample papers of JEE Main and you will also get to know your preparation level by solving the JEE Main sample papers and previous year papers. Best of luck for your examination.
Jee main 2019 was conducted in January and april
There are total of 8 shifts in January and 8 shifts in April .marks were also calculated in percentiles
Here I am mentioning a link by visiting the link you can check all the papers of previous year with solution from various coaching institute
All the very best
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here is the link for jee mains previous years question paper with solutions.