What is the proper food diet required for a person undergoing low haemoglobin?

Here are a couple websites that might be helpful

Low Hemoglobin - Anemia (http://www.buzzle.com/articles/low-hemoglobin.html)

Anemia Diet - Iron Rich Foods for Iron Deficiency Anemia (http://www.healthcastle.com/iron-anemia-diet.shtml)

If you are taking medicines you should check to make sure eating more of the necessary vitamins and minerals will not conflict the meds.