1. With reference to the use of betel leaves and areca nuts, consider the following statements :
- There is no reference to betel leaf in Charak Samhita and Sushruta Samhita.
- Kalidasa's Raghuvamsha associates the practice of betel leaf chewing with South India.
- Pattupattu mentions fields of areca plants.
Which of the statements given above are correct?
