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JEE Main is a national level exam for entrance into various engineering colleges of India including NITs, IIITs, GFTIs and other private institutions.

Click at this link to get the papers - https://engineering.careers360.com/download/sample-papers

January Session of JEE Mains was held between 06th-9th January 2020. Answer Key for January Session JEE Mains were released on 17th January 2020.

You can also take help of this Knockout Package to crack April Session of JEE Mains - https://learn.careers360.com/knockoutfull-jee-main-april/?ici=navigation-header_jee&icn=jee-main-knockout-lpage

Hope this was helpful