I understand the word rastravadi, on the surface of it, to mean that those who are not members of such chauvinistic organisations are anything but rastravadis.
1991, Z Magazine: Volume 4, Issues 7-12, United States: Institute for Social and Cultural Communications, page 149:
Their flag has become the ideological symbol of the Hindu Rastravadis—the Hindu nationalists.
1979, Link: Volume 21, Part 3, India: United India Periodicals, page 2:
Chitta Base (FB) charged in the Lok Sabha that certain “Hindu revivalist” and “Hindu Rastravadi” forces were attempting to exploit Vinoba Bhave's fast for ban on cow slaughter to further their political interests.