Sector 21 is an locality in Gandhinagar, Gandhinagar District, Gujarat, India. Sector 24 (3.52 Km), Sector 14 (4.38 Km), Sector 27 (4.67 Km), Sector 25 (4.74 Km), Pethapur (5.02 Km) are the nearby areas to Sector 21. Gandhinagar are the nearby cities to Sector 21.