Texas Subcategories This category has the following 10 subcategories, out of 10 total. Decades in Chennai (5 C)/ Establishments in Tamil Nadu by decade (8 C)0–9 1950s in Madras State (1 C, 7 P) 1960s in Tamil Nadu (1 C, 5 P) 1970s in Tamil Nadu (1 C, 8 P) 1980s in Tamil Nadu (2 C, 13 P) 1990s in Tamil Nadu (3 C, 22 P) 2000s in Tamil Nadu (2 C, 29 P, 1 F) 2010s in Tamil Nadu (3 C, 30 P) 2020s in Tamil Nadu (2 C, 12 P)