diff --git a/cypress/fixtures/sampleAsset.xlsx b/cypress/fixtures/sampleAsset.xlsx
index f8e234ce447..49421f62bac 100644
Binary files a/cypress/fixtures/sampleAsset.xlsx and b/cypress/fixtures/sampleAsset.xlsx differ
diff --git a/src/Common/constants.tsx b/src/Common/constants.tsx
index f64a9fa27ae..e51494f6bac 100644
--- a/src/Common/constants.tsx
+++ b/src/Common/constants.tsx
@@ -896,7 +896,7 @@ export const XLSXAssetImportSchema = {
   Class: {
     prop: "asset_class",
     type: String,
-    oneOf: ["HL7MONITOR", "ONVIF"],
+    oneOf: ["HL7MONITOR", "ONVIF", "VENTILATOR", ""],
   },
   Description: { prop: "description", type: String },
   "Working Status": {
@@ -908,7 +908,7 @@ export const XLSXAssetImportSchema = {
       } else if (status === "NOT WORKING") {
         return false;
       } else {
-        throw new Error("Invalid Working Status");
+        throw new Error("Invalid Working Status: " + status);
       }
     },
     required: true,
@@ -917,6 +917,7 @@ export const XLSXAssetImportSchema = {
     prop: "not_working_reason",
     type: String,
   },
+  "Serial Number": { prop: "serial_number", type: String },
   "QR Code ID": { prop: "qr_code_id", type: String },
   Manufacturer: { prop: "manufacturer", type: String },
   "Vendor Name": { prop: "vendor_name", type: String },
@@ -925,10 +926,11 @@ export const XLSXAssetImportSchema = {
     prop: "support_email",
     type: String,
     parse: (email: string) => {
+      if (!email) return null;
       const isValid = /^[\w-.]+@([\w-]+\.)+[\w-]{2,4}$/.test(email);
 
       if (!isValid) {
-        throw new Error("Invalid Support Email");
+        throw new Error("Invalid Support Email: " + email);
       }
 
       return email;
@@ -938,23 +940,38 @@ export const XLSXAssetImportSchema = {
     prop: "support_phone",
     type: String,
     parse: (phone: number | string) => {
-      phone = "+91" + String(phone);
-      if (!PhoneNumberValidator(["support"])(phone) === undefined) {
-        throw new Error("Invalid Support Phone Number");
+      phone = String(phone);
+      if (phone.length === 10 && !phone.startsWith("1800")) {
+        phone = "+91" + phone;
+      }
+      if (phone.startsWith("91") && phone.length === 12) {
+        phone = "+" + phone;
+      }
+      if (phone.startsWith("+911800")) {
+        phone = "1800" + phone.slice(6);
+      }
+      if (
+        PhoneNumberValidator(["mobile", "landline", "support"])(phone) !==
+        undefined
+      ) {
+        throw new Error("Invalid Support Phone Number: " + phone);
       }
 
       return phone ? phone : undefined;
     },
     required: true,
   },
-  "Warrenty End Date": {
+  "Warranty End Date": {
     prop: "warranty_amc_end_of_validity",
     type: String,
     parse: (date: string) => {
-      const parsed = new Date(date);
+      if (!date) return null;
+      const parts = date.split("-");
+      const reformattedDateStr = `${parts[2]}-${parts[1]}-${parts[0]}`;
+      const parsed = new Date(reformattedDateStr);
 
       if (String(parsed) === "Invalid Date") {
-        throw new Error("Invalid Warrenty End Date");
+        throw new Error("Invalid Warranty End Date:" + date);
       }
 
       return dateQueryString(parsed);
@@ -964,10 +981,13 @@ export const XLSXAssetImportSchema = {
     prop: "last_serviced_on",
     type: String,
     parse: (date: string) => {
-      const parsed = new Date(date);
+      if (!date) return null;
+      const parts = date.split("-");
+      const reformattedDateStr = `${parts[2]}-${parts[1]}-${parts[0]}`;
+      const parsed = new Date(reformattedDateStr);
 
       if (String(parsed) === "Invalid Date") {
-        throw new Error("Invalid Last Service Date");
+        throw new Error("Invalid Last Service Date:" + date);
       }
 
       return dateQueryString(parsed);
@@ -981,13 +1001,14 @@ export const XLSXAssetImportSchema = {
         prop: "local_ip_address",
         type: String,
         parse: (ip: string) => {
+          if (!ip) return null;
           const isValid =
             /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(
               ip
             );
 
           if (!isValid) {
-            throw new Error("Invalid Config IP Address");
+            throw new Error("Invalid Config IP Address: " + ip);
           }
 
           return ip;
diff --git a/src/Components/Assets/AssetImportModal.tsx b/src/Components/Assets/AssetImportModal.tsx
index 548df2901ec..7382c7eff4f 100644
--- a/src/Components/Assets/AssetImportModal.tsx
+++ b/src/Components/Assets/AssetImportModal.tsx
@@ -85,11 +85,11 @@ const AssetImportModal = ({ open, onClose, facility }: Props) => {
             }
           }
         }
-      } catch (e) {
+      } catch (e: any) {
         setPreview(undefined);
         console.log(e);
         Notification.Error({
-          msg: "Invalid file",
+          msg: "Invalid file: " + e.message,
         });
         setSelectedFile(undefined);
       }
@@ -113,7 +113,7 @@ const AssetImportModal = ({ open, onClose, facility }: Props) => {
     let error = false;
 
     for (const asset of preview || []) {
-      const asset_data = JSON.stringify({
+      const asset_data: any = {
         name: asset.name,
         asset_type: asset.asset_type,
         asset_class: asset.asset_class,
@@ -129,11 +129,15 @@ const AssetImportModal = ({ open, onClose, facility }: Props) => {
         qr_code_id: asset.qr_code_id,
         manufacturer: asset.manufacturer,
         meta: { ...asset.meta },
-        warranty_amc_end_of_validity: asset.warranty_amc_end_of_validity,
-        last_serviced_on: asset.last_serviced_on,
         note: asset.notes,
-        cancelToken: { promise: {} },
-      });
+      };
+
+      if (asset.last_serviced_on)
+        asset_data["last_serviced_on"] = asset.last_serviced_on;
+
+      if (asset.warranty_amc_end_of_validity)
+        asset_data["warranty_amc_end_of_validity"] =
+          asset.warranty_amc_end_of_validity;
 
       const response = await fetch("/api/v1/asset/", {
         method: "POST",
@@ -142,7 +146,7 @@ const AssetImportModal = ({ open, onClose, facility }: Props) => {
           Authorization:
             "Bearer " + localStorage.getItem(LocalStorageKeys.accessToken),
         },
-        body: asset_data,
+        body: JSON.stringify(asset_data),
       });
       const data = await response.json();
       if (response.status !== 201) {