The correct answer is option 1: Maharashtra. Maharashtra has the largest number of cotton textile mills in India. Cotton textile mills are industrial establishments that process raw cotton to produce various textile products like yarn, fabric, and garments. Maharashtra is known for its robust textile industry, with major cities like Mumbai, Nagpur, and Solapur being key textile manufacturing hubs. The state`s favorable location, availability of raw materials, skilled labor force, and supportive infrastructure have contributed to the growth of the cotton textile industry in Maharashtra. While Gujarat, Tamil Nadu, and Karnataka also have a significant presence of cotton textile mills, Maharashtra leads in terms of the highest number of mills.