All universities have the right to set their own entry requirements for language proficiency. Always check the the course description page at the university's website to find out exactly what the requirement is.
However, most adhere to the general standard (summarized below and available on the following link)
It is possible that an English test is not required - see specific information for people with degrees from India are available on:
Also, an English test might not be required if you have a previous degree where English was the main subject or if you have studied in certain countries and the language of instruction of the credit courses was English, see information on :