diff --git a/README.md b/README.md
index 60a9429..9cd92fe 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,13 @@ __Sample output__
   ['1', 'cole', 'City of Industry']
 ]
 ```
+## Notes
+
+If you are executing this package in non-shell based environment, you would have to pass the python path.
+```javascript
+excelParser.config({python: '/usr/bin/python'})
+```
+
 
 ## Running Tests
 
diff --git a/excelParser.js b/excelParser.js
index 058f2d1..a3cb4c6 100644
--- a/excelParser.js
+++ b/excelParser.js
@@ -13,7 +13,7 @@ excelParser.worksheets = function(options, cb) {
 
   fs.exists(options.inFile, function(exists) {
     if(!exists) return cb("File not found");
-    args = ['-x', '"'+path.relative(__dirname, options.inFile)+'"', '-W'];
+    args = ['-x', path.relative(__dirname, options.inFile), '-W'];
     utils.execute(args, function(err, stdout) {
       if(err) return cb(err);
       worksheets = _.compact(stdout.split(/\n/));
@@ -30,7 +30,7 @@ excelParser.parse = function(options, cb) {
   else if(!options.inFile) return cb("File is missing in arguments");
   fs.exists(options.inFile, function(exists) {
     if(!exists) return cb("File not found");
-    args = ['-x', '"'+path.relative(__dirname, options.inFile)+'"'];
+    args = ['-x', path.relative(__dirname, options.inFile)];
     if(!options.worksheet) {
       var records = [];
       _this.worksheets(options, function(err, worksheets) {
@@ -64,4 +64,8 @@ excelParser.parse = function(options, cb) {
     }
   });
 };
+
+excelParser.config = function(config){
+  utils.config(config);
+};
 module.exports = excelParser;
\ No newline at end of file
diff --git a/utils.js b/utils.js
index 6ff1bf5..f5a37bf 100644
--- a/utils.js
+++ b/utils.js
@@ -1,11 +1,12 @@
 var _ = require('underscore'),
     async = require('async'),
+    execFile = require('child_process').execFile,
     exec = require('child_process').exec,
     fs = require('fs'),
     path = require('path'),
     temp = require('temp'),
     utils = {},
-    _this = this;
+    _config = {};
 
 var _CRCsv = function(args, cb) {
   temp.mkdir('temp', function(err, dirPath) {
@@ -94,16 +95,30 @@ var _searchInArray = function(records, options, cb) {
 };
 
 utils.execute = function(args, cb) {
-  var cmd = ["python", __dirname + "/convert.py"];
-  cmd = cmd.concat(args);
-  exec(
-    cmd.join(' '),
-    {cwd: __dirname},
-    function(err, stdout, stderr) {
-      if(err || stderr) return cb(err.toString() + stderr.toString());
-      cb(null, stdout);
-    }
-  );
+  if(_config.python) {
+    var cmd = [__dirname + "/convert.py"];
+    cmd = cmd.concat(args);
+    execFile(
+      _config.python,
+      cmd,
+      {cwd: __dirname},
+      function(err, stdout, stderr) {
+        if(err || stderr) return cb(err.toString() + stderr.toString());
+        cb(null, stdout);
+      }
+    );
+  }else{
+    var cmd = ["python", __dirname + "/convert.py"];
+    cmd = cmd.concat(args);
+    exec(
+        cmd.join(' '),
+        {cwd: __dirname},
+        function(err, stdout, stderr) {
+            if(err || stderr) return cb(err.toString() + stderr.toString());
+            cb(null, stdout);
+        }
+    );
+  }
 };
 
 utils.pickRecords = function(args, options, cb) {
@@ -119,4 +134,8 @@ utils.pickRecords = function(args, options, cb) {
   });
 };
 
-exports.utils = utils;
\ No newline at end of file
+utils.config = function(config){
+  _config = config
+};
+
+exports.utils = utils;