M.A

Yes, you can LLB after completing PG.

Both the very nice fields have a lot of opportunities. So you much decide on the basis of your interest and the natural flair you have of any of them. Construction field will give you immediate opportunities whereas opportunities in Water resources field might not prop up immediately and in abundance.

There are numerous Universities all across the country which offers Master in Geography. Following are the list of Top Universities in the country offering MA in Geography:
Delhi University
Jawaharlal Nehru University
Punjab University
North Bengal University
Aligarh Muslim University
Allahabad University
Dr. D Y Patil Arts Science and Commerce College
Gurunanak Dev University
Nalanda Open University
Rajiv Gandhi University
Mumbai University
Lucknow University
Pune University

The Central government has made it clear, that it is mandatory for candidates to pass Teacher Eligibility Test (TET) to land up in a government school as a teacher. As per the new guidelines prepared by National Council of Education Research and Training (NCERT), those who aspire to become teachers in government schools will have to clear TET.