Hello NIVESHKANNAN R,

Many universities and institutions in Singapore require you to take examination like SAT or ACT, IELTS or TOEFL, SAT Subject Test etc. in order to be eligible to compete for seats at your desired university. All these examinations are internationally recognised examinations which test you in subjects like English, science, mathematics, social science, humanities, listening, speaking and writing tasks. It is essential for you to score good marks in these examination in order to get an edge over other students who are applying with you, and thus increase your chances at getting into the top universities. These examination also help you with getting good scholarships and grants.

1. For testing English:

• Test of English as a Foreign Language (TOEFL)
• International English Language Testing System (IELTS)

Both these examinations take multiple reading, listening, speaking and writing tasks in order to test your proficiency in the English language.

2. Testing of other parameters:

• SAT - It tests you in critical reading and comprehension, mathematics and Writing.
• ACT- It tests you in english, mathematics, reading comprehension, grammar, science with an optional writing section.

3. SAT Subject Test:

• Since you are applying for science related subject you will need to give an additional SAT Subject Test in subjects you want to pursue your Bachelor's in (eg. you want to pursue your Bachelor's in Biology so you will subject test for biology).
• These subject tests will test your knowledge on whatever you have studied till 12th grade.

Scholarships you can apply for:

• Science & Technology Undergraduate Scholarship from NUS: Students studying science and technology related subjects can avail this scholarship. It looks at your academic scores, co-curricular achievements, leadership skills and potential. It covers your tuition fees, gives you allowances, covers accomodation, cover travel to and from Singapore.
  
• NTU-University Scholars Programme (NTU-USP) Scholarship: This scholarship to outstanding students in their undergraduate degree programme. It requires you to do a full time undergraduate degree course at the NTU University. It looks at you academic records, co curricular records and leadership potential. It cover tuition fee, gives a living allowance, accommodation allowance, travel costs to and from Singapore.
• Nanyang Scholarship: This scholarship to outstanding students in their undergraduate degree programme. It requires you to do a full time undergraduate degree course at the Nanyang University. It looks at you academic records, co curricular records and leadership potential. It cover tuition fee, gives a living allowance, accommodation allowance, travel costs to and from Singapore.
• Along with scholarships, many universities also help you with getting part-time in or off campus. This will help you with your expenses.

Top medical colleges in Singapore:

• National University of Singapore (NUS)
• Nanyang Technological University (NTU)
• James Cook University
• Singapore Institute of Technology (SIT)
• LASALLE College of the Arts
• DUK-NUS Graduate Medical School Singapore

All the best!

I hope this answers your queries.

Do revert back in case of any further questions.