For decades, the mini plastic water bottle has been the default in Indian hospitality tucked into hotel room minibars, lined up at banquet tables, handed out at conferences. It was convenient. It was cheap. And increasingly, it's becoming a liability. Across India's hotel, restaurant, and catering (HoReCa) sector, a quiet but decisive shift is underway: plastic bottles are being replaced by gable-top paperboard cartons the same familiar carton format long used for milk and j