First of all the best way to increase breast milk is to keep on feeding your baby. How frequently and the longer your newborn latches on to suck, the more milk you will produce. It gives signals to your body to increase the milk production.
Normally newborn will sleep most of the time, if the baby is sleeping you dont carry on with your work because he is not crying!! you need to wake him and do encourage him to feed at least 2 hour once. This will motivate your breasts to produce more milk.
Another imprtant thing you have to do is get good sleep as much as you can and if you are not getting enough in the nights during the day you can take nap when the kid is sleeping. If your body get good rest then it can produce more milk.
If you feel what you giving is not enough for the baby then you should take some protien rich and best foods to increase the milk production.
Milk :
Drink lots of milk, if you drink more milk then you can produce more milk. It is recommended to take at least twice or thrice in a day. Take with bread or any other protein powder.
Fenugreek Seeds (Methi) :
Fenugreek seed is a general herb which increase milk production. We all use in cooking, It is a best source of protein, iron, vitamin C. Have a teaspoon of soaked methi seeds about 3 times a day or you can take it as tea or in capsule form, this herb will increase milk supply within a few days.
Water And Juices :
Take lots of water and juices in your diet. If you keep your body is hydrated then you can produce more milk. It is good for you and your baby.
Nuts :
Nuts contain a large quantity of calories, high in proteins and essential fatty acids. The best nuts for produce more milk are almonds, you can it either in the form of raw or through almond milk.
Garlic :
Add more garlic to your food. You can boil garlic and can take directly if you can eat or add garlic cloves in boiled milk then have it. It is the best way to produce more milk
Sabudana (or) Sago Seeds :
You can take sago seeds in two ways, just boil seeds and have it or you can make sabudana kheer to taste better. These seeds are very good for milk production.