I often feel heartburn and acidity, what should I do? Is milk drinking beneficial for it? If I can't have it then is there any substitute for milk?

See below. For immediate relief of heartburn TUMS (calcium carbonate) or Rolaids work very quickly. Go to my checklist "Treating Heartburn" for genera advice. The following sites are excellent for excellent advice: http://bit.ly/ZquHBK and http://bit.ly/1KQEMhN.