Hello Student

The most spoken foreign languages in the world is English then Mandarin which is used in China and Taiwan as official language, in the third position there is Spanish, report position is French. So after doing Bsc in in botany zoology and chemistry yet to do MSc degree in any of the subject of your choices bhutanese or zoology or chemistry. Wall languages the least has been given in this answer and go for post graduation degree after achieving the degree level of this foreign language qualification. After these achieving the degree of a language you can be a teacher in in foreign university sir colleges or maybe teacher in Raja spective institutes where the most spoken languages are taught.

Experience PG in final languages like French or German can earn 30000 per month. After gaining 5 to 6 years experience if PG candidate in foreign languages like German or French can earn 10 to 12 lacs per annum.

Hope this will help.