By Parbat Portel in The Kathmandu Post, June 07, 2023The writer is the Jhapa correspondent for Kantipur Publications.Demand for Nepali tea is rising in the Indian market as production has slipped across the border. Nepali tea traders say Indian tea estates are going through a lean period as the tea bushes there have reached the end of their life cycles. Most of the plants are 80 years old, and some are more than 100 years…