Waheguru Ji Ka Khalsa Waheguru Ji Ki Fateh
Theres many things you can do:
- Ardaas to Guru Ji, asking for the strength to concentrate more during spiritual and academic purposes.
- Do more Simran
- Do more Sewa
- Read more Gurbani, contemplate/understand Gurbani and then implement what Guru Ji says in your life.
- Eat healthy and drink plenty of water
- Don't think of anything when doing simran. Just relax. Never force yourself as well.
- Make sure you don't watch things that Guru Ji won't approve of and say stuff that Guru Ji won't approve it.
Also theres many many posts on this topic it. Google it.
Theres site such as this answer forum.
Theres SikhNet forums Theres http://sikhsangat.com">SikhSanagt
Theres Sikh http://sikhawareness.com">Awareness
YouTube - also has videos on this topic
Check this one from Basics of Sikhi
Please forgive me if i said anything wrong or offensive.
Waheguru Ji Ka Khalsa Waheguru Ji Ki Fateh