The correct answer is (c), Bajra.
Bajra is a type of millet that is grown in arid and semi-arid regions. It is a staple food in many parts of Africa and Asia, including India. Gujarat is one of the major producers of bajra in India.
Wheat is a type of cereal grain that is grown in temperate climates. It is a staple food in many parts of the world, including Europe, Asia, and North America. Gujarat is not a major producer of wheat.
Sugarcane is a type of grass that is grown in tropical and subtropical climates. It is used to produce sugar, ethanol, and other products. Gujarat is a major producer of sugarcane.
Coconut is a type of palm tree that is grown in tropical and subtropical climates. The fruit of the coconut tree is used to produce coconut milk, coconut oil, and other products. Gujarat is not a major producer of coconuts.