The correct answer is (d) Bathinda.
Bathinda is a district in the Indian state of Punjab. It is located in the northwestern part of the state, and is bordered by the districts of Mansa to the north, Faridkot to the east, Muktsar Sahib to the south, and Fazilka to the west. The district has a population of over 2.5 million people, and is the most populous district in Punjab.
Bathinda is a major agricultural district, and is known for its dairy farming. The district has a large number of dairy farms, and is the largest producer of milk in Punjab. The district is also home to a number of milk processing plants, and is a major exporter of milk and milk products.
The other options are incorrect. Firozpur is a district in the northwestern part of Punjab. It is bordered by the districts of Fazilka to the north, Bathinda to the east, Faridkot to the south, and Muktsar Sahib to the west. The district has a population of over 2.2 million people.
Moga is a district in the central part of Punjab. It is bordered by the districts of Ferozepur to the north, Faridkot to the east, Bathinda to the south, and Sangrur to the west. The district has a population of over 1.8 million people.
Hoshiarpur is a district in the northwestern part of Punjab. It is bordered by the districts of Gurdaspur to the north, Nawanshahr to the east, Jalandhar to the south, and Kapurthala to the west. The district has a population of over 2.1 million people.