The correct answer is: d) Leather goods.
Jalandhar is a city in the Indian state of Punjab. It is known for its production of leather goods, such as shoes, bags, and jackets. The city is home to a number of leather tanneries and factories. The leather industry is a major source of employment in Jalandhar.
Option a) Sports goods is incorrect because Jalandhar is not a major center for the production of sports goods. The city is home to a number of sports goods manufacturers, but the industry is not as large as the leather industry.
Option b) Pharmaceuticals is incorrect because Jalandhar is not a major center for the production of pharmaceuticals. The city is home to a few pharmaceutical companies, but the industry is not as large as the leather industry.
Option c) Agricultural machinery is incorrect because Jalandhar is not a major center for the production of agricultural machinery. The city is home to a few agricultural machinery manufacturers, but the industry is not as large as the leather industry.