Sales & Marketing

You can apply for GMAT regarding your English problem but, for most MBA entrance exams including CAT you need to have a Bachelor's degree with atleast 50% marks (45% for ST, SC and PWD). .

https://www.shiksha.com/nursing/colleges/b-sc-colleges-Kerala
Check out the colleges here.

The entrance test is conducted at GFSU, Gandhinagar only. Only those candidates can apply for the courses at GFSU who have completed their Bachelor's degree / Master's degree with a minimum of 50% or 55% aggregate marks.

Marketing is indeed a very in-demand specialisation. It has become a trend now to have the best marketing team. Companies do look for candidates who posses those skills. The scope of marketing is also very broad. One can go into sales, advertisement, PR, product designing, DM etc. So, apart from what ranking it gets it is a must have subject that every business management student should know about.

https://studyabroad.shiksha.com/uk/universities/birkbeck-university-of-london
You will find all the true and authentic information about your college here.

You can visit the official website of IIM Rohtak and you will find all the information there.

Yes you can definitely get in to it.

https://www.shiksha.com/college/sngist-sree-narayana-guru-institute-of-science-and-technology-ernakulum-13705
You will find all the true and authentic information about your college here.

Yes, you can do MBA in Marketing and later on opt for economics as paper 2.