Should I join presidency University Kolkata MA Geography or university of Calcutta?

You should join Presidency University Kolkata for MA in Geography. It is one of the best Master's programs in Geography in the region. The university has an excellent faculty pool. The syllabus followed by Presidency University is more advanced than many universities and gives you an edge if you want to stay in academics. Scoring well in NET/SET examination will be easier. 

Each year, students of Presidency University qualify for reputed institutes like National Institute of Oceanographic Sciences, Indian Institute of Remote Sensing, Indian Institute of Population Science.