Which is the highest readymade clothing garments producing city in India?

Undoubtedly, Tirupur - the knitwear capital of India, is the largest readymade mens, women's and children's clothing producing city in India. Tirupur exports about 25,000 crore worth of clothing through its clothing manufacturers and factories, which is about 25% of the total exports of garments from India.  [1]

Source:-
[1]https://timesofindia.indiatimes.com/business/india-business/exports-from-tirupur-surge-to-record-levels/articleshow/79767130.cms