Hello Aspirant,

As bba is a good course which is trending and have good placements also as it is 3 year course as you wanted to apply for the st Xaviers college calcutta and you should apply for bba course means  bachelor's of business administration you can apply in the month of may 1st week i think so because apply for it in online and let's hope for the best  that you will get seat in that college so study well and work hard to well and get good marks in the coming exams and ALL THE BEST for your future and i think my suggestions and knowledge may be helpful to u.