Masters

The first and basic qualification required for a Ph.D course is that you must have completed your Masters degree course.
To apply for Ph.D. you can either directly apply to the professors of different universities sending them your resume, Statement of purpose
and your research papers. Or you can appear for UGC-NET examination.
And then, sending your NET scores to the professors under whom you want to undergo your Ph.D course.

Tourism courses across the world are highly demanded courses. In India, government institutions like IIHT have many campuses. Secondly, Pearl Academy, Delhi is the best institute for tourism management. In South India, Pondicherry University offers tourism course. Therefore, choose the best one accordingly.

You can do a MAJMC course for this field.

You can try for professional courses like CA, CS and cost accountant, it has a great value and pays well.

Hi Aman,
For MBA courses at least 2 or 3 years work experience is required. You must also take the GMAT and IELTS. For MS courses there is no requirement of work experience. You will need an upper first class around 75% and above to apply to the universities you have mentioned. For more details I will advice you to check the MBA class profile on the university's websites directly.