One of the best remedy is to drink water recurrently in short intervals.
Gargling with lukewarm water.
To 1/2 bowl of curd add 2 tbsp of salt and mix it properly. Eating this curd is also effective remedy.
Cut fresh ginger into small pieces; suck these small pieces of ginger.
Swallow 1 tbsp of sugar slowly.
In 2 cups of water boil 5-6 crushed green cardamoms. Boil it till reduces to 1 cup. Allow it cool down and strain it. Drink it slowly when still lukewarm. This is highly beneficial natural remedy for hiccups as it soothes the irritation in diaphragms.
Another commonly used herb for treating hiccups is black pepper. Inhale small quantity of black pepper powder. This will result in sneezing which is a fierce movement of respiratory tract. Hence putting an end to hiccups.