Er. Raman Kansal having 10+ Years of Experience | Expertise in IB, IGSCE, JEE, NEET, CBSE, ISC)
Advert description
Most of the time teachers provide demo of their own strong topics and then student has to suffer afterwards.But I am providing you the choice to choose your own topic while demo which you think is the most difficult-if you think you are satisfied after demo,you are more than welcome to continue further.