i am studying in 12th standard and i have planned to buy byjus tablet for my entrance exams. can i finish the concepts in 5 - 6 months.
Firstly you should be well prepared with NCERT books after this you can prefer any of the study material for your preparation & 5 to 6 months are enough to prepare the exam if you use it with quality for the study.
If you specify the exam name for which you are preparing then I can help you more.