diff --git a/input/fsh/immunization.json b/input/fsh/immunization.json
new file mode 100644
index 0000000..eeca3f3
--- /dev/null
+++ b/input/fsh/immunization.json
@@ -0,0 +1,26 @@
+{
+  "resourceType": "StructureDefinition",
+  "id": "bd-Immunization",
+  "url": "http://example.org/StructureDefinition/bd-Immunization",
+  "version": "1.0.0",
+  "name": "BDImmunizationProfile",
+  "title": "Immunization Profile for Bangladesh",
+  "description": "Bangladesh Immunization Profile",
+  "fhirVersion": "4.0.1",
+  "kind": "resource",
+  "abstract": false,
+  "type": "Immunization",
+  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Immunization",
+  "derivation": "constraint",
+  "differential": {
+    "element": [
+      {
+        "id": "Immunization.identifier",
+        "path": "Immunization.identifier",
+        "short": "Unique identifier",
+        "definition": "Unique identifier for the vaccination event",
+        "min": 1
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/input/fsh/profile/immunization-profile.fsh b/input/fsh/profile/immunization-profile.fsh
new file mode 100644
index 0000000..4a49076
--- /dev/null
+++ b/input/fsh/profile/immunization-profile.fsh
@@ -0,0 +1,77 @@
+// @Name: Profile
+// @Description: Immunization Profile of the Bangladeshi Patient. 
+Profile:     BDImmunizationProfile
+Id:          bd-immunization
+Parent:      Immunization
+Title:       "Immunization Profile for Bangladesh"
+Description: "Bangladesh Immunization Profile"
+* ^url = "https://fhir.dghs.gov.bd/core/StructureDefinition/bd-immunization"
+
+
+* identifier 1..*
+* identifier ^short = "Unique identifier"
+* identifier ^definition = "Unique identifier for the vaccination event"
+
+* ^url = "https://fhir.dghs.gov.bd/core/identifier/bd-immunization"
+
+* reasonReference 0..*
+
+
+* vaccineCode 1..1
+//* vaccineCode from BDVaccineValueSet (required)
+
+* ^url = "https://fhir.dghs.gov.bd/core/StructureDefinition/bd-medication"
+
+* manufacturer 0..1
+* manufacturer ^short = "Manufacturer"
+* manufacturer ^definition = "Vaccine manufacturer"
+* ^url = "https://fhir.dghs.gov.bd/core/StructureDefinition/bd-organization"
+
+
+* lotNumber 0..1 
+* lotNumber ^short = "Vaccine Lot Number"
+* lotNumber ^definition = "Vaccine lot or batch number"
+
+* expirationDate 0..1
+* expirationDate ^short = "Expiration Date"
+* expirationDate ^definition = "Expiration date of vaccine lot"
+
+* patient 1..1
+* patient ^definition = "The patient receiving the vaccine"
+//* patient from BD Patient Profile
+
+* encounter 1..1
+* encounter ^definition = "Encounter during which vaccine was administered"
+//* encounter from BD Encounter Profile
+
+* occurrence[x] 1..1 
+
+* location 0..1
+* location ^definition = "Location where vaccine was administered"
+//* location from Location Profile
+* ^url = "https://fhir.dghs.gov.bd/core/StructureDefinition/bd-location"
+
+* site 0..1
+* site ^definition = "Body site of administration"
+//* site from BD Immunization Site
+
+* route 0..1
+* route ^definition = "Route of administration"
+//* route from BD Immunization Route
+
+* doseQuantity 0..1
+* doseQuantity ^definition = "Amount of vaccine administered"
+//* doseQuantity from UCUM Units
+* ^url = "http://unitsofmeasure.org"
+
+* performer 0..* 
+* performer ^definition = "Individual who performed the immunization"
+//* performer from BD Practitioner Profile
+* ^url = "https://fhir.dghs.gov.bd/core/StructureDefinition/bd-practitioner"
+
+* reaction 0..*
+* reaction ^definition = "Adverse reaction following immunization"
+//* reaction from BD Immunization Reaction
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-immunization-reaction"
+
+