Rafiqul's science and math hub

I am Rafiqul Islam, assistant teacher of BBHS School. This is my teaching channel. I am going to upload videos covering the topics of science and math of IX and X SEBA, assamese medium.I assure you that the videos are going to be very explanatory and knowledgeable. I will try to cover all the topics in depth. I hope you like the same. Please do watch ,subscribe ,like and share.
Let me know the topics in comments you would like me to cover. Thanks in advance