Sar maine bahut se video dekhe per mujhe unme se koi samajh nahin aaya... per jab aapka video dekha to turant hi sab kuchh samajh a Gaya mujhe nahin lagta ki aapse achcha koi teacher is duniya mein hai aap sabse acche Hain thank u so much sir ji 🎉🎉🎉🎉🎉🎉🎉😊😊😊😊