It is very difficult to keep concentrating on your lesson but following TIPS would help you a lot.
1: QUIET PLACE:
Find a quiet place. It would be a place away from TV or RADIO. You could lock the door of your study room.
2: BE YOUR TEACHER:
Imagine you are a teacher and explaining lesson to your students. It would help you to deepen your understanding about the particular subject.Ask question to yourself. Give assignments to your own self.
3: GET ORGANIZED:
Keep your all notes in an organized form.Keep your notes in different folders so you could find them easily.
4: BE AWARE OF YOUR BIO CLOCK:
Find a best time of the day when you feel that you learn quickly at that time. Some choose early morning and some choose late night. You may choose other times of the day. This is the time when your mind and body work in a harmonic way.
5: GET PROPER SLEEP:
Don,t ignore your sleep have a sound sleep it is very important to refresh your mind and body. Minimum 7 and maximum 8 hour sleeping time is important for a student.