Ph.D in Bengali course offers its students to learn about the various terms of writing in Bengali. The course also deals with various ways of Communication and interpretations

I think you are not eligible to apply for Ph.D Bengali after securing 48% marks in M.A (Bengali) as minimum percentile require is 50 % but if you have strong reference of a renounced PhD Holder then may be there are little bit chances

Eligibility:
-Must have a master’s degree from any of the recognized university or board of India.
-They have to maintain at least a total of 50% marks in the mentioned degree.
-Also they should have the reference of a renounced PhD Holder.

Course Outlook:
-The total duration of this course is generally two years and can be extended to many years more than that.
- The course literally gets over when the thesis is complete and gets approved by the university and the professor above the student.
-The course is divided in to various papers.