Students must have completed at least twelve years of education before applying for under graduate courses at Singapore universities.  TOEFL scores are mandatory for students seeking admission in singapore. Final interviews might be conducted before gaining admission into any of the universities.
The educational cost for undergraduate students comes to around INR 12-20 lakhs per year. This depends on the program and the university chosen. Universities like MDIS, a popular choice among Indian students, generally have the tuition fee of INR15 lakhs per year.

1) National University of Singapore :-
Applicants must apply online through the NUS Office of Admissions and submit a portfolio consisting:

A personal statement (500 words)*
List of co-curricular activities
Official testimonial from your junior college or high school
Two referee reports (applicable only to shortlisted candidates. Instructions and login details will be provided to nominated referees to fill up an online questionnaire consisting of 6-8 questions.)

All shortlisted candidates then have to undergo 2 additional tests to be considered for admission:

Focused Skills Assessment (FSA) Test
Situational Judgement Test (SJT)

2) Lee Kong Chian School of Medicine:-
Candidates interested in applying have to fulfill the following requirements

Appear for BioMedical Admissions Test (BMAT) and have a good score in that. BMAT is to be taken 1 year prior to selection process.

Applicants to the MBBS programme will have to submit a personal statement as part of the application process.

The personal statement is an essay of not more than 300 words, introducing the applicant including, but not limited to, the reasons for wishing to study medicine and of any experience that may have driven the desire to become a doctor.

Leadership experience and teamwork ability should be highlighted. The personal statement must be furnished in the application form, and it may be followed up at the interview stage.

All applicants must have exceptional talent and should provide Non-Academic Achievements (NAA).

Applicants are selected after a personal interview which are held in the month of April.

3) Duke-NUS Medical School
Candidates are eligible to apply for MBBS admissions with MCAT or GAMSAT scores:

MCAT - The Medical College Admission Test is a standardized test administered by the Association of American Medical Colleges (AAMC) for prospective students seeking to study medicine in medical schools in the United States and Canada.

GAMSAT, or Graduate Medical School Admissions Test, is a requirement for Graduate Medical programmes in the UK, Ireland and Australia. It is developed by the Australian Council for Educational Research (ACER) in conjunction with the Consortium of Graduate Medical Schools.

Thanks,
Azim

my question is not about the streams I can opt rather I wish to know the process of PG admission in Singapore university specific 

Hello Megha

The various post graduate courses in Medicine which you can do after MBBS are ;

• DM - Infection Disease.
• MD - Family Medicine
• DM - Critical Care Medicine
• MD - Medical Genetics
• MD - Rheumatology
• MD - Tropical Medicine
• MD - CCM
• MD - Pharmacology
• MD - Lab Medicine
• MD - Bio Chemistry / Physics.

Below the link is given through which you can easily able to check the courses which you can able to do after the MBBS.


https://www.careers360.com/question-what-are-the-courses-students-can-pursue-after-completing-their-mbbs

All the best