The correct answer is: c) Nalbari
Nalbari district is known as the “Fruit Bowl of Assam” because it is the largest producer of fruits in the state. The district is home to a variety of fruits, including mangoes, bananas, pineapples, oranges, and jackfruits. The climate and soil of Nalbari are ideal for fruit cultivation, and the district has a long history of fruit production.
Kamrup district is the largest district in Assam, and it is home to the city of Guwahati, the capital of Assam. The district is not known for its fruit production.
Sonitpur district is located in the north of Assam, and it is home to the Kaziranga National Park, a UNESCO World Heritage Site. The district is not known for its fruit production.
Barpeta district is located in the south of Assam, and it is home to the Barpeta Satra, a Vaishnavite monastery. The district is not known for its fruit production.