which graduation (like BBA,BCA,BSC...) should i do before TOEFL

TOEFL is a language proficiency exam which you need to take if u wish to pursue education abroad.It is up to you to decide what u want to pursue-BBA,BCA or BSC

If you have attained 16 years of age you can write TOEFL. This is a test to prove your english proficiency.

Hi Ayush, it is not mandatory to choose a specific subject before appearing for TOEFL. You can take up any bachelors and appear for TOEFL after completing the Bachelors. TOEFL (Test of English as a Foreign Language) is a mere test of English. The pattern followed is similar to English exams that we