Link to Gaurav's ppt :
https://docs.google.com/presentation/d/1dUpUpKHqRuyFJspNy3LK4_XMaVP1bDKYjdTCE4fnY10/edit#slide=id.p
Link to Arpit's ppt : https://docs.google.com/presentation/d/1GygRQavellf2iqjMlT_xR-ciUulCbKxFCsg00hE6RZw/edit#slide=id.g6490f802dc_0_0