Explanation:

Kanpur, located in the state of Uttar Pradesh, has historically been known as the "Manchester of North India" due to its significant role as a major industrial hub, particularly for its numerous textile (cotton and wool) mills during the British Raj. This epithet reflects its past prominence in textile manufacturing and trade in the northern region of India. Lucknow is known for its culture and Chikankari. Varanasi is famous for silk weaving and spiritual significance. Bareilly is known for furniture and Zari-Zardozi work, not large-scale cotton mills.