If I give upsc bdo exam this year then when I will able to give again
Hello,
UPSC exam is conducted every year. So even if you didn't get selected you can try another year. Though there are number of attempts available . Hence understand your syllabus and portion and start working towards it. All the best and thank you. Do check out the link below to know more
https://competition.careers360.com/exams/upsc-civil-services-exam
https://competition.careers360.com/articles/books-for-upsc-ias