IIT Eligibility

The website josaa.nic.in can be referred to check the opening and closing ranks of IITs.

No, you are not eligible, IIT JEE can only be given by those who had completed their 12th with a mathematics subject as a background in their 12th. So you cannot sit for IIT JEE.

Hello Karthik,
I think you can get the top IITs like Madras, Bombay, Kanpur, etc. if this is your AIR.
for the official opening and closing ranks for 2016 refer :
http://josaa.nic.in/Result2016/result/OpeningClosingRank.aspx

For a general category students, minimum marks required are 130+.
These marks will lead to admission in newly opened IITs that were opened in recent past years.

You need to score 70+ in JEE Advanced to get admission in IITs.
If you score more than 100, then you will get upper IITs.
And, a score of 150+ will fetch you admission in you.

Yes, you will definitely get into IIT.
Your available choices are:
IIT, Dhanbad
And other newly opened IITs in past 3 years
https://www.resonance.ac.in/reso/news/jee-advanced-branch-allotment.aspx
Check this branch and IIT college predictor

This year onward, you have to score at least 75% in class 12 marks if not then you have to be placed in top 20 percentile of your bored so if you are in top 20 percentile of your board then you are eligible for IIT exam 2018.
Regards.

Hello Afzal,
If you want to improve your marks, you have to attempt all the papers. If you give one or two papers, it will be not considered by the JEE and your previous year marks will be taken into consideration.

Yes, you can attend exams like above you mentioned but it is compulsory to get 75% in your 12th board and 65% if ST/SC candidate.

Eligibility criteria:
Candidates applying for the admissions should have acquired a first class degree or they should have obtained at least 60 per cent (55 per cent marks for SC/ST) in BE/B.Tech/B.Sc (Engineering)/M.Sc/ MCA/MBBS/M.Pharma/B.Pharma (four year degree)/BDS (4 year degree)/associate membership examinations conducted by recognised professional bodies (like Institution of engineers (India), institute of chemical engineers, aeronautical society of India, institute of electronics and telecommunication engineers, Indian institute of metals, etc.) and recognised as equivalent to BE/ B.Tech degree.