Humanities & Social Sciences

Mostly, there is no age limit for postgraduate degree programs in India. I personally know working professionals who either take a sabbatical or quit jobs to complete their PG degrees. In fact, a few government organisations (partially or fully) sponsor full-time MBA/M.Tech degrees. So, there is this gentleman known to me who had a work experience of 15+ years when he enrolled for a regular MBA program in the University of Petroleum & Energy Studies (UPES) that too with 75 % mandatory attendance and in the college uniform.

Yes, you can get a seat in this college.
Good luck.

Yes, you are eligible to take NET (psychology).

There many good courses for Bachelor's and Master's degree in Canada for psychology programme. Some universities are Carleton University, University of Toronto, York University, Mcmaster University, University of Calgary, and McGill University. TOEFL/IELTS is required with a very good academic score. Canadian universities accept 16 years of education and Canadian colleges accept 15 years of education.

Yes, you are fully eligible for this course. The admission criteria for this course is based on pass in graduation.

IGNOU provides this course in distance mode. It is the best way to pursue it:
http://www.ignou.ac.in/ignou/aboutignou/school/soss/programmes/detail/633/2

If you are pursuing English honours, you can become a teacher or work in an office. If you are pursuing geography, then you can become a geologist. If you are pursuing history you can opt for research and go in the archaeology field. These are some examples.

There is a possibility that the 3rd list will come out.

I don't think Hindi should be a specific subject to take admission in BA (Mass Comm).