hello ashok,

you'll have lot of time for preparation.first know the syllabus and important topics.if not, please refer these links:

https://engineering.careers360.com/exams/jee-main

https://engineering.careers360.com/articles/jee-main-2019

if you score high,defintely you'll get admission in iit.for that you've to put schedule on the jee main syllabus and important topics .sticking to the plan is matters here.so dont waste time or get diverted.solve ncert books and previous year question papers.please refer this links to know such a details:

• https://engineering.careers360.com/articles/jee-main-sample-papers
• https://engineering.careers360.com/articles/jee-main-cutoff

all the best!

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)