Hi Yaseen,
                   Yes you can get IIT'S by cracking JEE ADVANCED. For that you have to qualify JEE MAINS first.

Eligiblity - You might have 75% aggregate in your boards.

For IIT BOMBAY, you need to rank under under 500 to get good branches & for IIT HYDERABAD, you need to rank under 1000-1500 to get good branches.

Here the cut offs for IIT BOMBAY - IIT BOMBAY

Cut off for IIT HYDERABAD - IIT HYDERABAD

IIT Hyderabad

Admissions Courses & Fees Cutoff Placements Reviews

Shortlist

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IIT Bombay

Admissions Courses & Fees Cutoff Placements Reviews

Shortlist

Brochure