The IIT-Professor Assisted Learning (PAL) video lectures for Class XI and Class XII can be accessed on You Tube through the links shown below. Many faculty members from various IITs have contributed to these lectures. Prof. Ravi Soni from the Dept. of Physics, IIT Delhi is the national coordinator and IIT Delhi has coordinated this entire effort with funding from MHRD. Over 600 hours of lectures in Physics, Chemistry, Maths and Biology are available for students.