The correct answer is: b) Kutch
Kutch is a district in the Indian state of Gujarat. It is the largest district in Gujarat, covering an area of 45,652 square kilometers. Kutch is located in the northwestern part of Gujarat, bordering the Pakistani province of Sindh to the northwest. The district is known for its salt marshes, sand dunes, and mudflats. Kutch is also home to the Rann of Kutch, a large salt marsh that is home to a variety of wildlife, including flamingos, crocodiles, and snakes.
Kutch is a major producer of lignite, a type of coal. Lignite is a soft, brown coal that is found in sedimentary rocks. It is the lowest rank of coal and is used primarily for generating electricity. Lignite is found in several parts of Kutch, including the village of Dholera.
The other options are incorrect. Bharuch is a district in the central part of Gujarat. It is known for its oil refineries and petrochemical industries. Surat is a district in the south of Gujarat. It is known for its diamond industry. Panchmahal is a district in the central part of Gujarat. It is known for its agriculture and forests.