M.A

You can opt for Panjab University or Punjab Technical University.

It depends on what you want to pursue if teaching in school then B.Ed is compulsory if you want to go in research field ten B.Ed and PhD both are required along with a post-graduate degree.

No, it cannot be done together as B.Ed is a comprehensive programme which include internship and teaching along with study. Also projects work is there which covers wide syllabus.

UG courses in travel and tourism management
Bachelor of Tourism Studies
PG courses in travel and tourism management
Master of Tourism Administration
Master of Travel Administration
M.A. in Tourism Management
Diploma courses in travel and tourism management
PG Diploma in Travel and Tourism
Diploma in Tourism

The Master of economics is a postgraduate Master's degree in economics comprising training in economic theory, econometrics or applied economics.
I won’t suggest you to pursue it along with M.Tech because both these courses are too tough to be done together. Either do M.Tech or MA.
Below mentioned a

MA in economics will not be difficult for you. You should definitely go for it.
Below mentioned are the top colleges to pursue MA in economics are:
1. Indian Statistical Institute - Kolkata / Delhi.
2. Delhi School of Economics – Delhi.
3. Indira Gandhi Institute of Development Research – Mumbai.
4. Madr

Yes, it will be good for you to pursue MA English from DU for your future prospective.
All the best.