• Hold your breath
• Gargle with water
• Place an ice bag on the diaphragm for sometime
• Sip ice water quickly
• Close your eyes and gently press your eye balls
• Drink a glass of soda water quickly
• Eat some sugar
• Eat one tbsp peanut butter
• There is no special diet recommended for hiccups. However, it is advisable to avoid hot and spicy food because they can irritate the lining of the esophagus.
• Do not overload your digestive system by over eating.
• Although hiccups are not a serious medical problem, it is advisable to see a doctor if they last for more than 24 hours.

Source: Bombay Times