Ph.D

Hi Sravya,
You have to research on the NET looking for universities offering Ph.D. in this field. Ph.D. admissions are bit different and requires that you must first be accepted by a supervisor. You are advised to check university websites and search for your concerned department's information, research supervisor, formalities etc. Email them about your interests, cite them your publications, papers, research proposal, etc.
It is also recommended that you share some letters of recommendation from professors to build your network. Some universities may require the GRE. You have to check these on university websites. University of Guelph, University of Waterloo, etc. are some considerations.

Hi S Gupta, May I request you to first contact the university and the department specific research supervisors because that's the way it is. Your admission will depend on how impressive your profile and research topics are. You have to get some good recommendation letters and network with people. As a Ph.D. aspirant, you must be aware of some basic principles underlying the Ph.D. application process. If you don't have language scores please take a look at the university website for the requirements and contact them. Check if you have the desired academic background and percentage and that you meet the eligibility criteria. It will require patience and follow-ups for supervisors to get back to you.