which is the better course? BHMCT 4year(AICTE) or BSc Hotel management 3year(NCHMCT) OR BSc hospitality & hotel administration 3year(NCHMCT)

im 20 pursuing my bachelors in chemistry and i aspire to become a chef. i want to work abroad after my studies so if there is any other course better than all of the above to become a chef please do suggest me suggest a good institution to pursue my hotel management course thanks in advance