JEE Advanced

Marks may depend on the year.A rank upto 5000 will be good to go.

last year it was 105 bt now it cant be said before exam

Hi aarush
for the eligibility you are require the scores of all the subjects
and moreover for exams like BITS a minimum of 80% score is required
all the best

See everytime basis of marks shifts a lot, so exactly how mch marks you should score that totally depends on the advance you are appearing. But score around 50% should be enough.
Rank around 5000 (bottom mark) would be enough to get you enrolled in btech mechanical in ism. Rank around 6500 will get

At present, it can’t be said about cutoff. But, you must know that IIT - Kharagpur is under top 4 IIT. So, aim high, you will definitely score high.

Yes JEE is necessary to get admission in IIT. Percent changes each year depending on the toughness of paper but one must have AIR under 1500 to get aerospace in IIT Bombay. In my year i.e 2014 aerospace closed at 1800 AIR and mark required for AIR 1800 was around 210/360 which is 60% but it changes

Yes, you will be able to appear and many students will follow the same pattern just to save their academic year.

Hi,
1)
As per the official website :
To be eligible for JEE Mains, one needs to fulfill the criteria mentioned below.
* A candidate must have passed in final examination of 10+2 (Class XII) or its equivalent qualifying examination. Those appearing in 10+2 (Class XII) final or equivalent examination