The elegibility criteria for upsc exam include
The candidate must have attained the age of 21 years and must not have attained the age of 32 years (for the General category candidate) on 1 August of the year of examination .
Prescribed age limits vary with respect to caste reservations.
For Other Backward Castes ( OBC ) the upper age limit is 35 years.
Candidate also must passed or complete graduation in any discipline from a recognized university are apply for the exam
So, BVoc Travel and Tourism Management Tourism or Bachelor of Vocation in Tourism is an undergraduate Travel and Tourism course.
Tourism is a study of tourism management, tourism development, tourism marketing, transportation industry, hotel management, etc.
It is basically a undergraduate degree for a duration of three years.
hence you are eligible for the exam.
Hope this will help you,
All the very best!!