and where we can find videos about this lesson

Hi!

 

Thanks for letting us know your concern. For viewing videos related to the mentioned topic, check the Resources section of our website. If you encounter any problems in viewing them, then do let us know by giving us a call at 011-40705070. We will try to add the video(s) on this lesson in future. For the time being, go through the existing study material.

 

Cheers!