Cumbum valley is located in which state?

The Grapes City of South India, Cumbum Valley, is renowned for its Panneer Thratchai grapes, which account for 85% of India's total production. Unlike anywhere else, these grapes thrive all year round, having been introduced in 1832 by a French priest. Acknowledged for its swift expansion and premature maturity, it was granted a Geographical Indication designation in 2023. Nutrient-rich grapes from Cumbum Valley are used to make wine, spirits, and other products. Its appeal is increased by its location in the Western Ghats of Tamil Nadu.