Hello Samridhi,
IIT JAM 2019 exam will be conducted on February 10, 2019. You can prepare for the exam with proper strategy and study plan. By referring to the best books, solving previous year question papers and sample papers.
We do not have online coaching for IIT JAM. You can refer to the link below for preparation tips for JAM 2019 exam-

 https://university.careers360.com/articles/how-prepare-for-jam

Good Luck!

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