Yes you are allowed to work part-time only. We must warn that income from work cannot pay your tuition fees and may not be enough to cover entire living costs either. Please ensure you have a workable budget before applying
Some schools will accept national examination in lieu of English requirement, however TOEFL or IELTS are accepted and can be required so ask your counsellor. A number of schools or departments may also request submission of GRE or GMAT but very many schools don’t require these tests
Yes we will guide you through. We are not a Visa or consular service but have the experience to assist you and recommend kind of documents you will require based on your circumstance to ensure you can present a positive application upon which a consular officer can make a positive judgement