Found on YouTube: Bihar Board Class 11 Physics | Half Yearly Exam Complete Revision | By Kishan sir

Bihar Board Class 11 Physics | Half Yearly Exam Complete Revision | By Kishan sir
PW Bihar Board 11&12th
जीत (Jeet) क्रैश कोर्स कक्षा 12वीं ( हिंदी माध्यम ) बैच ...
Via YouTube - https://www.youtube.com/watch?v=2wF8JCmuNiI