if i give GRE or TOFEL then can i do any course from US and UK countries?? may i get detail information about them?

You have to get good score in GRE then only it is possible to study in US or UK

You may not need to give GRE depending on the course you want to apply for. For example, some universities do not demand GRE even for engineering courses like mechanical engineering. However, such universities are not very well ranked. It is always recommended to give the GRE if you are planning to

GRE (Graduate Record Examination) and TOFEL ( Test of english as Foreign language) are tests ato be appeared for seeking admission to a Graduate Course ( what we call Masters in India). Apart from scoring good scores you need to have excellent academic record, letters of recommendations from last in