Inclusion Criteria:• All patients with a recent diagnosis of SSPE based on Dyken's criteria. Children aged ≥2 - ≤15 years.  • Having at least one member of the family residing with the patient who can read and understand directions in Urdu and /or Sindhi.  Exclusion Criteria:  • Parents not agreeing to start the diet.  Age less than 2 years or over 15 years. Patients who are already being given immune modulators. Any other associated co-morbidity. Patients having difficulty in swallowing and parents not allowing a nasogastric tube. Totally uneducated family with no one who can read or write and understand directions in Urdu and/ or Sindhi.