How much time is required for BTech entrance exam preparation?

The time required depends on the student. Some students prepare for entrance exams alongside class 12th. Some students take a gap year for exam prep. It all depends on how easily and fast a student understands the material.

B Tech full form is Bachelor of Technology. The time needed to prepare for the BTech entrance exam cannot be said with any certainty, but it is better to start as early as possible so that you have enough time to go through the entire exam syllabus and can revise each section to increase your chance