Linguistic reorganisation of states and the official language question
- Dhar Commission 1948 and JVP Committee 1949 against linguistic states; Potti Sriramulu's fast and death 1952; Andhra State 1953
- Fazl Ali Commission 1953-55 with K.M. Panikkar and H.N. Kunzru; Act of 1956 creating 14 states and 6 union territories
- Bombay split into Maharashtra and Gujarat 1960, Nagaland 1963, Punjab and Haryana 1966, Meghalaya, Manipur, Tripura 1972, Sikkim 1975
- Hindi as official language with English for fifteen years, 1965 anti-Hindi agitation in Tamil Nadu, Official Languages Act 1963 and 1967 amendment