Following is brief introduction of the teacher
Mathematics - B.A./ B.Sc.
Mathematics - Matric
Mathematics - DAE
Physics - A Level
Physics - F.A./F.Sc.
C/C++ - O Level
No doubt video lectures are a better way to teach. Soon you will find here video lectures by this teacher for better understanding.
Yes, this teacher is available to teach online. You may contact him/her in this regard.