TOEFL

It depends on the university and the country in which you are going. Some ask for both the scores, some only require SAT and an English language eligibility test.

Best place is the official website of the universities to which you want to apply. Read the information given on it about admission, scholarship, and application. Where you want to study and when?

It is absolutely important to give such exams. It is to determine your English communication skills. It is important because you will have to live in a different country so you must be fluent in English and these tests check your ability.

Yes, you are eligible for scholarship, but universities will assess your profile and then they will give you a scholarship.

Only if you get a very good SAT score will you be able to get a good college. Plus, you must have excellent extracurricular activities, outstanding essays and recommendation letters. No doubt your TOEFL scores must also be impressive.

TOEFL is a test for English language proficiency to study abroad. Your 12th marks are not important for taking the test. Having poor marks in 12th and good score in TOEFL won't be of too much help, you may receive if the university likes your profile and also TOEFL has its own scholarship schemes. Check TOEFL India scholarship.

If you take one, it will be enough. This exam is to prove your English proficiency to study abroad. IELTS is written directly by hand and TOEFL is an online exam. Whatever is convenient for, you can do it. Any of them is enough for you to study abroad.

You take some coaching and write IELTS exam. You can apply to university with your PUC mark sheet and IELTS mark sheet. You can register on Shiksha itself if you want to study in Canada.

Hi,
It's difficult to say. If you don't have strong academics, but just a good TOEFL score it won't increase chances for you to get scholarships. You must excel as an all rounder.

If you score very well in ACT then you don't need to take TOEFL or IELTS.