diff --git a/.npmignore b/.npmignore
index 0b56d83..460710e 100644
--- a/.npmignore
+++ b/.npmignore
@@ -5,4 +5,8 @@
 /src-js
 /examples
 node_modules
+CONTRIBUTING.md
+.gitignore
+.eslintrc
+.eslintignore
 
diff --git a/dist/ExcelPlugin/utils/DataUtil.js b/dist/ExcelPlugin/utils/DataUtil.js
index de56974..65cd1dc 100644
--- a/dist/ExcelPlugin/utils/DataUtil.js
+++ b/dist/ExcelPlugin/utils/DataUtil.js
@@ -85,28 +85,26 @@ var excelSheetFromDataSet = function excelSheetFromDataSet(dataSet, bigHeading)
       return;
     }
     rowCount += ySteps;
-    if (bigHeading !== null && bigHeading !== void 0 && bigHeading.title) {
+    if (bigHeading !== null && bigHeading !== void 0 && bigHeading.title && columns.length >= 0) {
+      columns.forEach(function (_, index) {
+        var cellRef = xlsx_js_style_1.utils.encode_cell({
+          c: xSteps + index,
+          r: rowCount
+        });
+        fixRange(range, 0, 0, rowCount, xSteps, ySteps);
+        getHeaderCell(bigHeading, cellRef, ws, true, index);
+      });
       var mergedRange = {
         s: {
           c: xSteps,
-          r: 0
+          r: rowCount
         },
         e: {
-          c: dataSetItem.columns.length - 1,
-          r: 0
+          c: xSteps + dataSetItem.columns.length - 1,
+          r: rowCount
         }
       };
       ws['!merges'] = [mergedRange];
-      var cell = {
-        t: 's',
-        v: bigHeading.title,
-        s: bigHeading.style ? bigHeading.style : {
-          font: {
-            bold: true
-          }
-        }
-      };
-      ws['A1'] = cell;
       rowCount += 1;
     }
     var columnsInfo = [];
@@ -150,7 +148,27 @@ var excelSheetFromDataSet = function excelSheetFromDataSet(dataSet, bigHeading)
   return ws;
 };
 exports.excelSheetFromDataSet = excelSheetFromDataSet;
-function getHeaderCell(v, cellRef, ws) {
+function getHeaderCell(v, cellRef, ws, isHeader, index) {
+  var bigHeadingDefualtStyle = {
+    font: {
+      bold: true,
+      name: "Archive",
+      sz: 24,
+      color: {
+        rgb: "333"
+      }
+    },
+    fill: {
+      patternType: "solid",
+      fgColor: {
+        rgb: "FFFFFF"
+      }
+    },
+    alignment: {
+      vertical: "center",
+      horizontal: "center"
+    }
+  };
   var cell = {
     t: 's'
   };
@@ -159,7 +177,12 @@ function getHeaderCell(v, cellRef, ws) {
       bold: true
     }
   }; //if style is then use it
-  cell.v = v.title;
+  if (isHeader) {
+    cell.v = index === 0 ? v.title : '';
+    headerCellStyle = v.style ? v.style : bigHeadingDefualtStyle;
+  } else {
+    cell.v = v.title;
+  }
   cell.t = 's';
   cell.s = headerCellStyle;
   ws[cellRef] = cell;
diff --git a/src-js/ExcelPlugin/utils/DataUtil.js b/src-js/ExcelPlugin/utils/DataUtil.js
index a402da6..f9cd35d 100644
--- a/src-js/ExcelPlugin/utils/DataUtil.js
+++ b/src-js/ExcelPlugin/utils/DataUtil.js
@@ -71,15 +71,14 @@ const excelSheetFromDataSet = (dataSet, bigHeading) => {
             return;
         }
         rowCount += ySteps;
-        if (bigHeading?.title) {
-            let mergedRange = { s: { c: xSteps, r: 0 }, e: { c: dataSetItem.columns.length - 1, r: 0 } };
+        if (bigHeading?.title && columns.length >= 0) {
+            columns.forEach((_, index) => {
+                const cellRef = xlsx_js_style_1.utils.encode_cell({ c: xSteps + index, r: rowCount });
+                fixRange(range, 0, 0, rowCount, xSteps, ySteps);
+                getHeaderCell(bigHeading, cellRef, ws, true, index);
+            });
+            const mergedRange = { s: { c: xSteps, r: rowCount }, e: { c: xSteps + dataSetItem.columns.length - 1, r: rowCount } };
             ws['!merges'] = [mergedRange];
-            let cell = {
-                t: 's',
-                v: bigHeading.title,
-                s: bigHeading.style ? bigHeading.style : { font: { bold: true } },
-            };
-            ws['A1'] = cell;
             rowCount += 1;
         }
         let columnsInfo = [];
@@ -113,12 +112,23 @@ const excelSheetFromDataSet = (dataSet, bigHeading) => {
     return ws;
 };
 exports.excelSheetFromDataSet = excelSheetFromDataSet;
-function getHeaderCell(v, cellRef, ws) {
-    let cell = {
+function getHeaderCell(v, cellRef, ws, isHeader, index) {
+    const bigHeadingDefualtStyle = {
+        font: { bold: true, name: "Archive", sz: 24, color: { rgb: "333" } },
+        fill: { patternType: "solid", fgColor: { rgb: "FFFFFF" } },
+        alignment: { vertical: "center", horizontal: "center" },
+    };
+    const cell = {
         t: 's',
     };
     let headerCellStyle = v.style ? v.style : { font: { bold: true } }; //if style is then use it
-    cell.v = v.title;
+    if (isHeader) {
+        cell.v = index === 0 ? v.title : '';
+        headerCellStyle = v.style ? v.style : bigHeadingDefualtStyle;
+    }
+    else {
+        cell.v = v.title;
+    }
     cell.t = 's';
     cell.s = headerCellStyle;
     ws[cellRef] = cell;
diff --git a/src/ExcelPlugin/utils/DataUtil.ts b/src/ExcelPlugin/utils/DataUtil.ts
index b77e1c7..0b342b6 100644
--- a/src/ExcelPlugin/utils/DataUtil.ts
+++ b/src/ExcelPlugin/utils/DataUtil.ts
@@ -1,4 +1,4 @@
-import type { ExcelCellData, ExcelSheetCol, ExcelSheetData, ExcelValue } from "react-xlsx-wrapper";
+import type { ExcelCellData, ExcelSheetCol, ExcelSheetData, ExcelStyle, ExcelValue } from "react-xlsx-wrapper";
 import { utils, SSF } from "xlsx-js-style";
 import type { CellObject, WorkSheet, ColInfo, Range } from "xlsx-js-style";
 
@@ -78,15 +78,15 @@ const excelSheetFromDataSet = (dataSet: ExcelSheetData[], bigHeading?: ExcelShee
 
         rowCount += ySteps;
 
-        if(bigHeading?.title) {
-            let mergedRange: Range = { s: { c: xSteps, r: 0 }, e: { c: dataSetItem.columns.length - 1, r: 0 } };
+        if(bigHeading?.title && columns.length >= 0) {
+            columns.forEach((_, index) => {
+                const cellRef = utils.encode_cell({ c: xSteps + index, r: rowCount });
+                fixRange(range, 0, 0, rowCount, xSteps, ySteps);
+                getHeaderCell(bigHeading, cellRef, ws, true, index);
+            });
+
+            const mergedRange: Range = { s: { c: xSteps, r: rowCount }, e: { c: xSteps + dataSetItem.columns.length - 1, r: rowCount } };
             ws['!merges'] = [mergedRange];
-            let cell: CellObject = {
-                t:  's',
-                v: bigHeading.title,
-                s: bigHeading.style ? bigHeading.style : { font: { bold: true } },
-            };
-            ws['A1'] = cell;
             rowCount += 1;
         }
 
@@ -126,17 +126,28 @@ const excelSheetFromDataSet = (dataSet: ExcelSheetData[], bigHeading?: ExcelShee
     return ws;
 };
 
-function getHeaderCell(v: ExcelSheetCol, cellRef: string, ws: WorkSheet): void {
-    let cell: CellObject = {
+function getHeaderCell(v: ExcelSheetCol, cellRef: string, ws: WorkSheet,isHeader?: boolean,index?: number): void {
+    const bigHeadingDefualtStyle: ExcelStyle = {
+        font: { bold: true, name: "Archive", sz: 24, color: { rgb: "333" } },
+        fill: { patternType: "solid", fgColor: { rgb: "FFFFFF" } },
+        alignment: { vertical: "center", horizontal: "center" },
+    };
+    const cell: CellObject = {
         t:  's',
     };
     let headerCellStyle = v.style ? v.style : { font: { bold: true } }; //if style is then use it
-    cell.v = v.title;
+    if(isHeader) {
+        cell.v = index === 0 ? v.title: '';
+        headerCellStyle = v.style ? v.style : bigHeadingDefualtStyle;
+    }else {
+        cell.v = v.title;
+    }
     cell.t = 's';
     cell.s = headerCellStyle;
     ws[cellRef] = cell;
 }
 
+
 function getCell(v: ExcelCellData, cellRef: string, ws: WorkSheet): void {
     const isDate = v instanceof Date ;