Dharampal Satyapal Group [DS Group] offers Zero calorie Tonic Water. Dharampal Satyapal Group [DS Group] is an ISO 9001:2000 certified company. Available under the brand name Catch, this beverage as manufactured by Dharampal Satyapal Group [DS Group] is a zero calorie tonic water. This tonic water is popular amongst all health-conscious individuals. Catch Zero calorie Tonic Water is available in quality PET bottles that preserve its purity and taste.