‘With more stringent norms in the future, we will have to look at different designs’

First of all, what do you think of the move to leap-frog BS V and go from BS IV directly to BS VI? It seems much needed, but is it too ambitious?

This is a very ambitious move and if I understand correctly, India is the first country where one stage of emission has been completely skipped while going directly to the next advanced stage of emission. Now this is no easy task as automobile engines are usually designed considering a time period of operation of six to eight years. When one emission step is omitted then