Hi

Yes, you need to appear for JEE advanced if you want to get admission in IIT Guwahati or in any of the IITs.

This is because,

Admission in IITs is solely on the basis of the rank  obtained by you in JEE advanced examination and JEE main just makes you eligible for appearing for JEE advanced

And with 95 percentile,

You hold a very good chance to qualify JEE main to be eligible for JEE advanced

For example,

In 2020, qualifying cutoff for general category was 90.3765335 and jee main 2021 expected qualifying cut off percentile is 90-95 percentile.

You can check the same at our page the link is provided below

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

If I tell you about rank required for IIT Guwahati then,

In round 6 of josaa counselling 2020 , for general category closing rank for gender neutral was 8994 in jee advanced in  Indian Institute of Technology Guwahati and it was for Biosciences and Bioengineering (4 Years, Bachelor of Technology)

You can check the same at

https://josaa.nic.in/Result/Result/currentorcr.aspx

After your exam, to have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to, your gender etc, the link for  jee college predictor is provided below

Jee main college predictor :-

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Jee advanced college predictor :-

If you have any other doubt then you can always reach us to clear them :) we are always available to help you out and guide you

Thankrank