Hello Amrita,
Careers360 is providing Sainik School practise papers 2019 is for free. you should go through the link given below to get these question papers in the easily downable PDF file.
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Here I can provide you 2018 Question papers, You can go through with the given below link.
https://school.careers360.com/articles/sainik-school-question-papers
Good Luck!
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