Chemistry from class ten level to B.Sc level ,in addition science up to class ten level,I can teach through online

He is actually a boon as teacher. He explains the most complex thing in its simplest form. Above all he himself knows time management and encourage others to do so in a positive way. He is ready to help others till the last extent. His amiable behaviour itself is a lesson of humanity to the students.

Whatever knowledge i have in chemistry that's all because of him,