IELTS

You can give it for as many as times you want. IELTS exam is conducted every month for 2 - 3 times. So you can book your exam dates in a same month as well, but it is normally advised that you should not appear for the exam no closer than once in a period of two months.

For full time MBA, one must have at least 50% marks in graduation.

To study abroad alone for a longer period of time you will have to be older than 13. The age limit for high school exchange programs are usually 15. To study abroad at colleges and universities you should have finished high school so then you would usually be 18+. However, age limits vary by country

IELTS with a minimum overall Band Score 5.5 / PTE with Minimum Score in the Range of 43-50. This is the minimum stipulated. Hence, you would be eligible.

Your academics are very low so you cannot get a good university in USA.

Yes, there are such courses in Singapore, with internship opportunities at prominent hotels and they do have IELTS scorecard requirements.

Hi,
If you want a good and reputed college in Canada or in other countries, I will personally suggest you to prepare well for the GMAT. After getting good score in GMAT. Things will be easy for you. Best of luck.

To study in Australia, there are a range of entry requirements you have to meet. English language requirements
In some cases, you may need to provide results of an English language test. Be aware that the English language skill level required by an institution can be different from the level of skill

Hi Zaid, As you have completed your Diploma in electronics engineering in 2017, so you are eligible to take admission in Bachelors programme in Canada with your score. But you will get middle order colleges only with this score. Best of luck.