It is an Indian beverage. In Hindi. "Jal" means water and "Jeera" means cumin It is a popular refreshment in summer. It is generally served as an appetizer as it is intended to wake up the taste buds. The Cumin makes this drink special as it aids in digestion The mint has a cooling effect. One of. the main ingredients is black salt or rock salt which acts as a digestive. Jal Jeera is extremely popular in Northern India because of its cooling properties against the extreme heat there. It is generally served with appetizers before a meal, but is also drunk between meals. It is a healthy, no sugar, no artificial flavours drink and hence is loved by weight watchers as a cool alternative to colas.