Short answer
Before Deepavali, Pongal and Onam, and in the Aadi month, when yellow sarees, saffron dhotis and towels are in demand for temple festivals.
Retailers restock before Deepavali and Pongal, and Kerala buyers come in bulk before Onam. Gani Market alone does about Rs 10 crore of business in the Onam season. In the Tamil month of Aadi, temple festivals lift demand for yellow sarees, saffron dhotis and towels.
At the Monday night market, arrive early in the evening for the best stock.
Tell us what you're looking for and we'll point you to the right market or supplier.