diff --git a/src/main/kotlin/com/restapi/Main.kt b/src/main/kotlin/com/restapi/Main.kt
index 627d980..2561ef8 100644
--- a/src/main/kotlin/com/restapi/Main.kt
+++ b/src/main/kotlin/com/restapi/Main.kt
@@ -128,9 +128,16 @@ fun main(args: Array<String>) {
                     get("/plants", IncomingInventoryCtrl::plantsForUser,
                         Roles(
                             Role.Explicit("ROLE_INVENTORY_CREATE"),
+                            Role.Explicit("ROLE_VENDOR_VIEW"),
+                            Role.Explicit("ROLE_VENDOR_CREATE"),
                             Role.Explicit("ROLE_INVENTORY_VIEW")
                         )
                     )
+                    put("/plants/{id}", IncomingInventoryCtrl::updatePlant,
+                        Roles(
+                            Role.Explicit("ROLE_INVENTORY_CREATE"),
+                            Role.Explicit("ROLE_VENDOR_CREATE")
+                        ))
                     post("", IncomingInventoryCtrl::create, Roles(Role.Explicit("ROLE_INVENTORY_CREATE")))
                     get("/next", IncomingInventoryCtrl::getNextNum, Roles(Role.Explicit("ROLE_INVENTORY_CREATE")))
                     get(
diff --git a/src/main/kotlin/com/restapi/controllers/Entities.kt b/src/main/kotlin/com/restapi/controllers/Entities.kt
index b0837e8..6098aee 100644
--- a/src/main/kotlin/com/restapi/controllers/Entities.kt
+++ b/src/main/kotlin/com/restapi/controllers/Entities.kt
@@ -810,6 +810,14 @@ object IncomingInventoryCtrl {
             Session.currentUserPlants()
         )
     }
+    fun updatePlant(ctx: Context) {
+        val  p = ctx.bodyAsClass<Plant>()
+        val plant = database.find(Plant::class.java, ctx.pathParam("id"))
+        plant.patch(p)
+        ctx.json(
+            Session.currentUserPlants()
+        )
+    }
 
     fun create(ctx: Context) {
         val ticket = ctx.bodyAsClass<IncomingInventory>()
diff --git a/src/main/kotlin/com/restapi/domain/db.kt b/src/main/kotlin/com/restapi/domain/db.kt
index 72ef098..a19300e 100644
--- a/src/main/kotlin/com/restapi/domain/db.kt
+++ b/src/main/kotlin/com/restapi/domain/db.kt
@@ -30,7 +30,6 @@ import java.security.spec.PKCS8EncodedKeySpec
 import java.security.spec.X509EncodedKeySpec
 import java.time.LocalDateTime
 import java.util.*
-import kotlin.collections.HashMap
 import kotlin.jvm.optionals.getOrDefault
 
 
@@ -138,14 +137,15 @@ object Session {
 
 
     }
-    fun a(){
-        val a = HashMap<String,String>()
+
+    fun a() {
+        val a = HashMap<String, String>()
         a.put("a", "b");
         a.put("a", "b");
         a.put("a", "b");
         a.put("a", "b");
 
-        val b = HashMap<String,String>().apply {
+        val b = HashMap<String, String>().apply {
             put("a", "b");
             put("a", "b");
             put("a", "b");
@@ -159,6 +159,7 @@ object Session {
             //will work only when c is not null
         }
     }
+
     private val sc = DatabaseConfig().apply {
         loadFromProperties(Properties().apply {
             setProperty("datasource.db.username", appConfig.dbUser())
@@ -187,6 +188,11 @@ object Session {
             .where()
             .eq("plantId", it)
             .findOne()
+            ?.apply {
+                if (this.prefixes == null || this.prefixes.isNullOrEmpty()) {
+                    this.prefixes = mutableMapOf("INBOUND" to "MRN/")
+                }
+            }
     }
 
     fun jwk(): MutableMap<String, Any> = keypair.toParams(JsonWebKey.OutputControlLevel.PUBLIC_ONLY)
diff --git a/src/main/kotlin/com/restapi/domain/models.kt b/src/main/kotlin/com/restapi/domain/models.kt
index 163e563..361d7b9 100644
--- a/src/main/kotlin/com/restapi/domain/models.kt
+++ b/src/main/kotlin/com/restapi/domain/models.kt
@@ -254,10 +254,14 @@ class SafeStringDeserializer : JsonDeserializer<String>() {
 enum class AddressType {
     BILLING, SHIPPING
 }
+
 data class ContactPerson(val name: String = "", val email: String = "", val mobile: String = "")
-data class Address(val type: AddressType = AddressType.BILLING,
-                   val address: String = "",
-                   val pincode: String = "")
+data class Address(
+    val type: AddressType = AddressType.BILLING,
+    val address: String = "",
+    val pincode: String = ""
+)
+
 @Entity
 open class Vendor : BaseTenantModel() {
     fun patchValues(updatedVendor: Vendor) {
@@ -282,6 +286,7 @@ open class Vendor : BaseTenantModel() {
 
     @DbJsonB
     var addressList: List<Address>? = mutableListOf()
+
     @DbJsonB
     var contacts: List<ContactPerson> = mutableListOf()
 
@@ -659,8 +664,18 @@ open class ReminderLog : BaseTenantModel() {
 @Entity
 @Index(name = "plantid_idx", columnNames = ["plant_id"], unique = true)
 open class Plant : BaseModel() {
+    fun patch(p: Plant) {
+        this.plantName = p.plantName
+        this.prefixes?.apply {
+            this.clear()
+            this.putAll(p.prefixes ?: emptyMap())
+        }
+        this.save()
+    }
+
     var plantId: String = ""
     var plantName: String = ""
+
     @DbJsonB
-    var prefixes: Map<String,String>? = emptyMap()
+    var prefixes: MutableMap<String, String>? = mutableMapOf()
 }
\ No newline at end of file