Consider the following statements regarding Kumbakonam Vetrilai, recently granted a Geographical Indication (GI) tag:

1. It is predominantly grown in the fertile Cauvery river basin in Thanjavur district of Tamil Nadu.

2. The first-year harvest of Kumbakonam Vetrilai is called maaruvethalai, which produces larger leaves with better shelf life.

3. The Kumbakonam Vetrilai is mainly cultivated in the Himalayan region of India.

Which of the statements given above is/are correct?