The Western mind simply cannot fathom what some of our Eastern brothers and sisters have managed to achieve on the roads.
I remember the first time I went to visit my father in Kathmandu what his address was, and he patiently explained to me the street he lived on simply had no name or unique identifier. Or driving for the first time in Vietnam and being inducted into a traffic system where your only responsibility is the cone in front of you of things you can see. Or the terror of realizing that your second taxi driver of the day in Bangkok is literally on speed.
All this to say: no, I assume he means he can’t handle driving in Mumbai.
Aren’t you confusing “navigating” vs “driving”?