If your all lectures available on RU-vid free of cost ,then you are really hero of India for students that you give lectures without cost.we appreciate your golden lectures 👍
SIR YOU ARE A MAN WITH GOLDEN HEART AND EXCELLENT TEACHER AND YOU KNOW HOW TO EXPLAIN A TOPIC WITH PERFECT CLARITY I WISH YOU WILL HAVE FULL ENERGY EVERYTIME AND TO SPREAD YOUR KNOWLEDGE . WAITING FOR YOUR MORE VIDEOS SIR WE NEED SUBJECT . THANK YOU SIR THANK YOU