Which industries are concentrated in Ahmedabad, Vadodara, and Valsad?

In Gujarat, the pharmaceutical industry is a significant sector concentrated in Ahmedabad, Vadodara, and Valsad. Beyond this shared focus, these cities host diverse industrial activities:1

• Ahmedabad: As one of India's largest inland industrial centers, the city is renowned for its cotton textile industry. Other major industries include the production of chemicals, computer software, vegetable oil, flour, soap, matches, glass, tobacco, hosiery, and carpets.2
• Vadodara: This city is a hub for petrochemicals, supported by a large oil refinery located nearby at Koyali. Additionally, it produces cotton textiles, homespun cloth, chemicals, matches, machinery, and furniture.13
• Valsad: This city is known for its hand-loomed cloth, dyes, bricks, and pottery. It also maintains a castor-oil-extraction industry and serves as a minor port for the export of cotton and silk fabrics, grain, timber, tiles, and molasses.4