Answer: Tamil Nadu
Notes: Kumbakonam betel leaf, also known as "Kumbakonam Vettrilai was recently granted a Geographical Indication (GI) tag by the Government of India. It is mainly grown in the fertile Cauvery river basin of Thanjavur, Tamil Nadu, which gives it a special taste and aroma. The leaves are dark to light green, heart-shaped, and have a pungent flavor. It is widely cultivated in Kumbakonam and nearby villages like Ayyampettai, Swamimalai, and Rajagiri. This betel leaf is a daily staple in South Asian homes and is used to make paan, a popular post-meal chew. The Kumbakonam betel leaf is also exported to other countries, adding to its cultural and economic value.
