The correct answer is: A) Black and red ware pottery.
Black and red ware pottery is a type of pottery that was produced in the Indian subcontinent from the Chalcolithic period to the Iron Age. It is characterized by its black exterior and red interior, and is often decorated with geometric designs. Black and red ware pottery has been found at sites throughout India, including Kerala.
Painted grey ware pottery is a type of pottery that was produced in the Ganges Valley during the Iron Age. It is characterized by its grey exterior and black interior, and is often decorated with geometric designs. Painted grey ware pottery has not been found at sites in Kerala.
Russet coated painted ware is a type of pottery that was produced in the Deccan Plateau during the Iron Age. It is characterized by its russet-colored exterior and black interior, and is often decorated with geometric designs. Russet coated painted ware has not been found at sites in Kerala.
Northern black polished ware is a type of pottery that was produced in the Ganges Valley during the Iron Age. It is characterized by its black exterior and polished surface, and is often decorated with geometric designs. Northern black polished ware has not been found at sites in Kerala.