The notion of a subcontinent is based on the fact that this region rests on a tectonic plate of its own, separate from the rest of Asia.
... Beltoise[?], (France) 1973 - Jackie Stewart[?], (United Kingdom) 1974 - Ronnie Peterson[?], (Sweden) 1975 - Niki Lauda, (Austria) 1976 - Niki Lauda, (Austria) 1977 - ...