diff --git a/input/fsh/codeSystems/BDMedicationCodeSystem.fsh b/input/fsh/codeSystems/BDMedicationCodeSystem.fsh
new file mode 100644
index 0000000..a542bab
--- /dev/null
+++ b/input/fsh/codeSystems/BDMedicationCodeSystem.fsh
@@ -0,0 +1,22 @@
+CodeSystem: BDMedicationCodeSystem
+Id: bd-medication-cs
+Title: "Bangladesh Medication Codes"
+Description: "Bangladesh Medication Codes"
+* ^url = "https://fhir.dghs.gov.bd/core/CodeSystem/bd-medication-code"
+// DGDA DAR Code "Brand Name"
+* #394-0010-030 "Tubutol" "Ethambutol"
+* #394-0011-030	"AFDCDT-2" "Isoniazid + Rifampicin"
+* #394-0012-030	"AFDCDT-3" "Isoniazid + Pyrazinamide + Rifampicin"
+* #394-0017-046	"Levetiracetam 250" "Levetiracetam"
+* #394-0021-028	"Donepezil Hydrochloride 5" "Donepezil Hydrochloride"
+* #355-0065-023	"Cefufine" "Cefuroxime"
+
+
+// ---------------------------
+// ValueSet for BD Medication
+// ---------------------------
+ValueSet: BDMedicationVS
+Id: bd-medication-vs
+Title: "Bangladesh Medication ValueSet"
+Description: "Bangladesh Medication ValueSet"
+* include codes from system BDMedicationCodeSystem
diff --git a/input/fsh/codeSystems/BDMedicationForm.fsh b/input/fsh/codeSystems/BDMedicationForm.fsh
new file mode 100644
index 0000000..1189975
--- /dev/null
+++ b/input/fsh/codeSystems/BDMedicationForm.fsh
@@ -0,0 +1,41 @@
+// ---------------------------
+// CodeSystem for BD Medication Dose Forms
+// ---------------------------
+CodeSystem: BDMedicationDoseForm
+Id: bd-dose-form
+Title: "Bangladesh Medication Dose Form CodeSystem"
+Description: "Medication dose form codes according to CCDS guideline"
+* ^url = "https://fhir.dghs.gov.bd/core/CodeSystem/bd-dose-form"
+* ^content = #complete
+
+* #TAB "Tablet"
+    "Solid oral dosage form, usually uncoated or coated, intended for swallowing."
+* #DTAB "Dispersible Tablet"
+    "Tablet designed to be dissolved/dispersed in water before administration."
+* #CAP "Capsule"
+    "Solid dosage form with active ingredients enclosed in a gelatin shell."
+* #SYP "Syrup"
+    "Liquid oral dosage form containing active substance(s) in solution."
+* #SUSP "Suspension"
+    "Liquid oral dosage form with insoluble particles dispersed in a liquid."
+* #PFS "Powder for Suspension"
+    "Powder that requires reconstitution into a liquid suspension before use."
+* #INJ "Injection"
+    "Sterile solution or suspension intended for parenteral administration."
+* #SOL "Solution"
+    "Liquid dosage form where drug is fully dissolved in a solvent."
+* #CRM "Cream"
+    "Semi-solid topical dosage form containing the drug in an emulsion base."
+* #LOT "Lotion"
+    "Low-viscosity liquid topical dosage form for external application."
+
+
+// ---------------------------
+// ValueSet for BD Medication Dose Forms
+// ---------------------------
+ValueSet: BDMedicationDoseFormVS
+Id: bd-dose-form-vs
+Title: "Bangladesh Medication Dose Form ValueSet"
+Description: "Medication dose form value set according to CCDS guideline"
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-dose-form-vs"
+* include codes from system BDMedicationDoseForm
\ No newline at end of file
diff --git a/input/fsh/codeSystems/bd-immunization-reaction.fsh b/input/fsh/codeSystems/bd-immunization-reaction.fsh
new file mode 100644
index 0000000..8d787f4
--- /dev/null
+++ b/input/fsh/codeSystems/bd-immunization-reaction.fsh
@@ -0,0 +1,20 @@
+CodeSystem: BDImmunizationReactionCodeSystem
+Id: bd-immunization-reaction
+Title: "Bangladesh Immunization Reaction Code System"
+Description: "Codes for adverse reactions after vaccination in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/CodeSystem/bd-immunization-reaction"
+* ^status = #active
+* ^content = #complete
+
+* #NONE "No Reaction"
+    "No adverse reaction observed after vaccination."
+* #FEVER "Fever"
+    "Elevated body temperature following vaccination."
+* #SWELLING "Swelling"
+    "Local swelling at the injection site."
+* #RASH "Rash"
+    "Generalized or localized rash after vaccination."
+* #ANAPHYLAXIS "Anaphylaxis"
+    "Severe immediate allergic reaction following vaccination."
+* #OTHER "Other Reaction"
+    "Any other adverse reaction not categorized above."
diff --git a/input/fsh/codeSystems/bd-immunization-route.fsh b/input/fsh/codeSystems/bd-immunization-route.fsh
new file mode 100644
index 0000000..7416d8e
--- /dev/null
+++ b/input/fsh/codeSystems/bd-immunization-route.fsh
@@ -0,0 +1,18 @@
+CodeSystem: BDImmunizationRouteCodeSystem
+Id: bd-immunization-route
+Title: "Bangladesh Immunization Route Code System"
+Description: "Codes for routes of vaccine administration in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/CodeSystem/bd-immunization-route"
+* ^status = #active
+* ^content = #complete
+
+* #IM "Intramuscular"
+    "Vaccine administered into a muscle."
+* #SC "Subcutaneous"
+    "Vaccine administered under the skin."
+* #ID "Intradermal"
+    "Vaccine administered into the dermis layer of the skin."
+* #ORAL "Oral"
+    "Vaccine administered orally."
+* #IN "Intranasal"
+    "Vaccine administered via the nose."
diff --git a/input/fsh/codeSystems/bd-immunization-site.fsh b/input/fsh/codeSystems/bd-immunization-site.fsh
new file mode 100644
index 0000000..3b2f551
--- /dev/null
+++ b/input/fsh/codeSystems/bd-immunization-site.fsh
@@ -0,0 +1,18 @@
+CodeSystem: BDImmunizationSiteCodeSystem
+Id: bd-immunization-site
+Title: "Bangladesh Immunization Site Code System"
+Description: "Codes for anatomical site of vaccine administration in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/CodeSystem/bd-immunization-site"
+* ^status = #active
+* ^content = #complete
+
+* #LA "Left Arm"
+    "Vaccine administered in the left arm (intramuscular or subcutaneous)."
+* #RA "Right Arm"
+    "Vaccine administered in the right arm."
+* #LT "Left Thigh"
+    "Vaccine administered in the left thigh."
+* #RT "Right Thigh"
+    "Vaccine administered in the right thigh."
+* #ORAL "Oral"
+    "Vaccine administered orally (e.g., OPV, Rotavirus)."
diff --git a/input/fsh/codeSystems/bd-vaccine-code.fsh b/input/fsh/codeSystems/bd-vaccine-code.fsh
new file mode 100644
index 0000000..74689b2
--- /dev/null
+++ b/input/fsh/codeSystems/bd-vaccine-code.fsh
@@ -0,0 +1,28 @@
+CodeSystem: BDVaccineCodeSystem
+Id: bd-vaccine-code
+Title: "Bangladesh Vaccine Code System"
+Description: "Vaccine codes used in Bangladesh EPI and immunization program."
+* ^url = "https://fhir.dghs.gov.bd/core/CodeSystem/bd-vaccine-code"
+* ^status = #active
+* ^content = #complete
+
+* #BCG "BCG Vaccine"
+    "Bacillus Calmette-Guérin vaccine, used against tuberculosis."
+* #OPV "Oral Polio Vaccine (OPV)"
+    "Live attenuated oral polio vaccine."
+* #IPV "Inactivated Polio Vaccine (IPV)"
+    "Inactivated polio vaccine."
+* #PENTA "Pentavalent Vaccine"
+    "DTP-HepB-Hib combined vaccine."
+* #MR "Measles-Rubella (MR) Vaccine"
+    "Combined measles and rubella vaccine."
+* #TT "Tetanus Toxoid (TT) Vaccine"
+    "Vaccine used for tetanus prevention."
+* #PCV10 "Pneumococcal Conjugate Vaccine"
+    "10-valent pneumococcal conjugate vaccine."
+* #ROTA "Rotavirus Vaccine"
+    "Live attenuated rotavirus vaccine for diarrheal disease prevention."
+* #HPV "Human Papillomavirus (HPV) Vaccine"
+    "Vaccine used for prevention of cervical cancer and HPV-related diseases."
+* #COVID19 "COVID-19 Vaccine"
+    "Vaccines against SARS-CoV-2 (various manufacturers)."
diff --git a/input/fsh/encounter-profile.fsh b/input/fsh/encounter-profile.fsh
new file mode 100644
index 0000000..2b4b470
--- /dev/null
+++ b/input/fsh/encounter-profile.fsh
@@ -0,0 +1,32 @@
+
+Profile:     BDEncounterProfile
+Id:          bd-encounter
+Parent:      Encounter
+Title:       "Encounter Profile for Bangladesh"
+Description: "Profile of Encounter Bangladesh Standard"
+
+* identifier 1..*
+
+* status 1..1 MS
+* status from BDEncounterStatusSubsetVS
+
+* class 1..1 MS
+* class from BDEncounterClassSubsetVS
+
+* subject  1..1 MS
+//* subject from https://fhir.dghs.gov.bd/core/StructureDefinition/bd-patient
+
+* basedOn 0..1 MS
+
+* partOf 0..1 MS
+
+* serviceProvider 1..1 MS
+
+* participant 1..* MS
+* participant.period 1..1 MS
+
+* diagnosis 0..* MS
+
+//* admission 0..* MS
+//* admission.dischargeDisposition 0..1 MS
+//* encounter.admission.dischargeDisposition 0..1
diff --git a/input/fsh/immunization.json b/input/fsh/immunization.json
new file mode 100644
index 0000000..fdc5961
--- /dev/null
+++ b/input/fsh/immunization.json
@@ -0,0 +1,39 @@
+{
+  "resourceType": "StructureDefinition",
+<<<<<<< HEAD
+  "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",
+=======
+  "id": "bd-immunization",
+  "url": "https://fhir.dghs.gov.bd/core/identifier/bd-immunization",
+  "version": "1.0.0",
+  "name": "BDImmunizationProfile",
+  "title": "Patient Immunization Profile for Bangladesh",
+  "description": "Patients Immunization Bangladesh Standard",
+>>>>>>> 1c45affa520e64b3b9efc307d9116ff138171fa5
+  "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",
+<<<<<<< HEAD
+        "short": "Unique identifier",
+=======
+        "short": "Identifier",
+>>>>>>> 1c45affa520e64b3b9efc307d9116ff138171fa5
+        "definition": "Unique identifier for the vaccination event",
+        "min": 1
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/input/fsh/profile/BDMedication.fsh b/input/fsh/profile/BDMedication.fsh
new file mode 100644
index 0000000..9b26198
--- /dev/null
+++ b/input/fsh/profile/BDMedication.fsh
@@ -0,0 +1,17 @@
+// @Name: Profile
+// @Description: Example of a profile of the Medication resource. This example includes a few of the most commonly used constraints and documentation features of FHIR profiles.
+
+Profile: BDMedication
+Id: bd-medication
+Parent: Medication
+Title: "Medication Profile for Bangladesh-V2"
+Description: "Profile of Medication Bangladesh Standard V2"
+
+* form 1..1 MS
+* form from BDMedicationDoseFormVS
+
+* code 1..1 MS
+* code from BDMedicationVS
+
+* ingredient 1..* MS
+* ingredient.strength 1..1 MS
\ No newline at end of file
diff --git a/input/fsh/profile/BDMedicationRequest.fsh b/input/fsh/profile/BDMedicationRequest.fsh
new file mode 100644
index 0000000..1b71220
--- /dev/null
+++ b/input/fsh/profile/BDMedicationRequest.fsh
@@ -0,0 +1,23 @@
+// @Name: Profile
+// @Description: Example of a profile of the MedicationRequest resource. This example includes a few of the most commonly used constraints and documentation features of FHIR profiles.
+
+Profile: BDMedicationRequest
+Id: bd-medication-request
+Parent: MedicationRequest
+Title: "Medication Request Profile for Bangladesh-V2"
+Description: "Profile of MedicationRequest Bangladesh Standard V2"
+
+
+
+* identifier 1..*
+* medication[x] 1..1 MS
+* medication[x] only Reference(BDMedication) or CodeableConcept
+* subject only Reference(BDPatientProfile)
+
+// TODO: BDEncounter referencing
+* authoredOn 1..1
+* requester 1..1
+* reported[x] 1..1
+
+* requester only Reference(BDPractitioner)
+* reported[x] only Reference(BDOrganization)
diff --git a/input/fsh/profile/BDOrganization.fsh b/input/fsh/profile/BDOrganization.fsh
new file mode 100644
index 0000000..ae8a4cf
--- /dev/null
+++ b/input/fsh/profile/BDOrganization.fsh
@@ -0,0 +1,11 @@
+// @Name: Profile
+// @Description: Example of a profile of the Practitioner resource for Bangladesh.
+
+Profile: BDOrganization
+Id: bd-organization
+Parent: Organization
+Title: "Organization for Bangladesh"
+Description: "Organization for Bangladesh Standard"
+
+
+* identifier 1..* MS
\ No newline at end of file
diff --git a/input/fsh/profile/BDPractitioner.fsh b/input/fsh/profile/BDPractitioner.fsh
new file mode 100644
index 0000000..775b102
--- /dev/null
+++ b/input/fsh/profile/BDPractitioner.fsh
@@ -0,0 +1,11 @@
+// @Name: Profile
+// @Description: Example of a profile of the Practitioner resource for Bangladesh.
+
+Profile: BDPractitioner
+Id: bd-practitioner
+Parent: Practitioner
+Title: "Practitioner for Bangladesh"
+Description: "Practitioner for Bangladesh Standard"
+
+
+* identifier 1..* MS
\ 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..ad3c360
--- /dev/null
+++ b/input/fsh/profile/immunization-profile.fsh
@@ -0,0 +1,73 @@
+
+
+// @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..*
+* reasonReference only Reference(Condition or Observation or DiagnosticReport)
+
+* 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 only Reference(BDPatientProfile) 
+
+* encounter 1..1
+* encounter ^definition = "Encounter during which vaccine was administered"
+* encounter only Reference(BDEncounterProfile)
+
+* occurrence[x] 1..1 
+
+* location 0..1
+* location ^definition = "Location where vaccine was administered"
+* location only Reference(Location)
+
+* site 0..1
+* site ^definition = "Body site of administration"
+* site from BDImmunizationSiteValueSet
+
+* route 0..1
+* route ^definition = "Route of administration"
+* route from BDImmunizationRouteValueSet
+
+* 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.detail only Reference(Observation)
\ No newline at end of file
diff --git a/input/fsh/profile/location.fsh b/input/fsh/profile/location.fsh
new file mode 100644
index 0000000..e69de29
diff --git a/input/fsh/valueSets/BDEncounterClassSubsetVS.fsh b/input/fsh/valueSets/BDEncounterClassSubsetVS.fsh
new file mode 100644
index 0000000..6a1b143
--- /dev/null
+++ b/input/fsh/valueSets/BDEncounterClassSubsetVS.fsh
@@ -0,0 +1,13 @@
+// ---------- ValueSet ----------
+ValueSet: BDEncounterClassSubsetVS
+Id: bd-encounter-class-subset-vs
+Title: "BD Encounter Class Subset"
+Description: "Subset of EncounterClass limited to inpatient, ambulatory, and emergency."
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-encounter-class-subset"
+* ^status = #active
+* ^experimental = false
+
+// Explicitly include the three concepts from the core EncounterClass system
+* include http://terminology.hl7.org/CodeSystem/v3-ActCode#IMP "Inpatient"
+* include http://terminology.hl7.org/CodeSystem/v3-ActCode#AMB "Ambulatory"
+* include http://terminology.hl7.org/CodeSystem/v3-ActCode#EMER "Emergency"
diff --git a/input/fsh/valueSets/BDEncounterStatusSubsetVS.fsh b/input/fsh/valueSets/BDEncounterStatusSubsetVS.fsh
new file mode 100644
index 0000000..268f1d9
--- /dev/null
+++ b/input/fsh/valueSets/BDEncounterStatusSubsetVS.fsh
@@ -0,0 +1,15 @@
+// ---------- ValueSet ----------
+ValueSet: BDEncounterStatusSubsetVS
+Id: bd-encounter-status-subset-vs
+Title: "BD Encounter Status Subset"
+Description: "Subset of EncounterStatus limited to planned, in-progress, finished, and cancelled."
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-encounter-status-subset"
+* ^status = #active
+* ^experimental = false
+
+// Explicitly include the four concepts from the core code system
+* include http://hl7.org/fhir/encounter-status#planned "Planned"
+* include http://hl7.org/fhir/encounter-status#in-progress "In Progress"
+* include http://hl7.org/fhir/encounter-status#finished "Finished"
+* include http://hl7.org/fhir/encounter-status#cancelled "Cancelled"
+
diff --git a/input/fsh/valueSets/bd-immunization-reaction-valueset.fsh b/input/fsh/valueSets/bd-immunization-reaction-valueset.fsh
new file mode 100644
index 0000000..c2b8efd
--- /dev/null
+++ b/input/fsh/valueSets/bd-immunization-reaction-valueset.fsh
@@ -0,0 +1,7 @@
+ValueSet: BDImmunizationReactionValueSet
+Id: bd-immunization-reaction-valueset
+Title: "Bangladesh Immunization Reaction Value Set"
+Description: "Allowed vaccine reactions for immunization in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-immunization-reaction-valueset"
+* ^status = #active
+* include codes from system BDImmunizationReactionCodeSystem
diff --git a/input/fsh/valueSets/bd-immunization-route-valueset.fsh b/input/fsh/valueSets/bd-immunization-route-valueset.fsh
new file mode 100644
index 0000000..51feb10
--- /dev/null
+++ b/input/fsh/valueSets/bd-immunization-route-valueset.fsh
@@ -0,0 +1,7 @@
+ValueSet: BDImmunizationRouteValueSet
+Id: bd-immunization-route-valueset
+Title: "Bangladesh Immunization Route Value Set"
+Description: "Allowed administration routes for vaccines in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-immunization-route-valueset"
+* ^status = #active
+* include codes from system BDImmunizationRouteCodeSystem
diff --git a/input/fsh/valueSets/bd-immunization-site-valueset.fsh b/input/fsh/valueSets/bd-immunization-site-valueset.fsh
new file mode 100644
index 0000000..fb85f9e
--- /dev/null
+++ b/input/fsh/valueSets/bd-immunization-site-valueset.fsh
@@ -0,0 +1,8 @@
+ValueSet: BDImmunizationSiteValueSet
+Id: bd-immunization-site-valueset
+Title: "Bangladesh Immunization Site Value Set"
+Description: "Allowed administration sites for vaccines in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-immunization-site-valueset"
+* ^status = #active
+* include codes from system BDImmunizationSiteCodeSystem
+
diff --git a/input/fsh/valueSets/bd-vaccine-valueset.fsh b/input/fsh/valueSets/bd-vaccine-valueset.fsh
new file mode 100644
index 0000000..14f7c7d
--- /dev/null
+++ b/input/fsh/valueSets/bd-vaccine-valueset.fsh
@@ -0,0 +1,7 @@
+ValueSet: BDVaccineValueSet
+Id: bd-vaccine-valueset
+Title: "Bangladesh Vaccine Value Set"
+Description: "Allowed vaccines for immunization in Bangladesh."
+* ^url = "https://fhir.dghs.gov.bd/core/ValueSet/bd-vaccine-valueset"
+* ^status = #active
+* include codes from system BDVaccineCodeSystem