diff --git a/src/maker/ModelGeneration.py b/src/maker/ModelGeneration.py
index bc79e4431..caafe3c8e 100755
--- a/src/maker/ModelGeneration.py
+++ b/src/maker/ModelGeneration.py
@@ -254,8 +254,8 @@ def cfuncmod(self):
         cfunc = open(self.modelpath + 'cfunc.mod', 'w')
         print("Building content for cfunc.mod file")
 
-        comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
-        Developed by Sumanto Kar at IIT Bombay */\n
+        comment = '''/* This cfunc.mod file auto generated by gen_con_info.py
+        Developed by Sumanto, Rahul at IIT Bombay */\n
                 '''
 
         header = '''
@@ -287,15 +287,16 @@ def cfuncmod(self):
     {
         inst_count++;
         PARAM(instance_id)=inst_count;
-        foo''' + self.fname.split('.')[0] + '''(0,inst_count);
+        foo_''' + self.fname.split('.')[0] + '''(0,inst_count);
         /* Allocate storage for output ports \
 and set the load for input ports */
 
         '''
         port_init = []
         for i, item in enumerate(self.input_port + self.output_port):
-            port_init.append('''
-        port_''' + item.split(':')[0] + '''=PORT_SIZE(''' + item.split(':')[0] + ''');
+            port_init.append(self.fname.split('.')[0] + '''_port_''' +
+                             item.split(':')[0] + '''=PORT_SIZE(''' +
+                             item.split(':')[0] + ''');
 ''')
 
         cm_event_alloc = []
@@ -351,11 +352,13 @@ def cfuncmod(self):
     {\n\
         if( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
         {\n\
-            temp_" + item.split(':')[0] + "[Ii]=0;\
+            " + self.fname.split('.')[0] +
+                "_temp_" + item.split(':')[0] + "[Ii]=0;\
             }\n\
         else\n\
         {\n\
-            temp_" + item.split(':')[0] + "[Ii]=1;\n\
+            " + self.fname.split('.')[0] +
+                "_temp_" + item.split(':')[0] + "[Ii]=1;\n\
         }\n\
             }\n")
 
@@ -367,11 +370,13 @@ def cfuncmod(self):
                 "\t/* Scheduling event and processing them */\n\
     for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] + ");Ii++)\n\
     {\n\
-        if(temp_" + item.split(':')[0] + "[Ii]==0)\n\
+        if(" + self.fname.split('.')[0] + "_temp_" +
+                item.split(':')[0] + "[Ii]==0)\n\
         {\n\
             _op_" + item.split(':')[0] + "[Ii]=ZERO;\n\
             }\n\
-        else if(temp_" + item.split(':')[0] + "[Ii]==1)\n\
+        else if(" + self.fname.split('.')[0] +
+                "_temp_" + item.split(':')[0] + "[Ii]==1)\n\
         {\n\
             _op_" + item.split(':')[0] + "[Ii]=ONE;\n\
             }\n\
@@ -472,7 +477,7 @@ def cfuncmod(self):
         for item in assign_data_to_input:
             cfunc.write(item)
 
-        cfunc.write("\tfoo" + self.fname.split('.')[0] + "(1,count);\n\n")
+        cfunc.write("\tfoo_" + self.fname.split('.')[0] + "(1,count);\n\n")
 
         for item in sch_output_event:
             cfunc.write(item)
@@ -604,12 +609,14 @@ def sim_main_header(self):
             'w')
         print("Building content for sim_main_" +
               self.fname.split('.')[0] + ".h file")
-        simh.write("int foo" + self.fname.split('.')[0] + "(int,int);")
+        simh.write("int foo_" + self.fname.split('.')[0] + "(int,int);")
         extern_var = []
         for i, item in enumerate(self.input_port + self.output_port):
             extern_var.append('''
-        int temp_''' + item.split(':')[0] + '''[1024];
-        int port_''' + item.split(':')[0] + ''';''')
+        int ''' + self.fname.split('.')[0] + '''_temp_''' +
+                              item.split(':')[0] + '''[1024];
+        int ''' + self.fname.split('.')[0] + '''_port_''' +
+                              item.split(':')[0] + ''';''')
         for item in extern_var:
             simh.write(item)
         simh.close()
@@ -653,11 +660,13 @@ def sim_main(self):
         extern_var = []
         for i, item in enumerate(self.input_port + self.output_port):
             extern_var.append('''
-        extern "C" int temp_''' + item.split(':')[0] + '''[1024];
-        extern "C" int port_''' + item.split(':')[0] + ''';''')
+        extern "C" int ''' + self.fname.split('.')[0] +
+                              '''_temp_''' + item.split(':')[0] + '''[1024];
+        extern "C" int ''' + self.fname.split('.')[0] +
+                              '''_port_''' + item.split(':')[0] + ''';''')
 
         extern_var.append('''
-        extern "C" int foo''' + self.fname.split('.')[0] + '''(int,int);
+        extern "C" int foo_''' + self.fname.split('.')[0] + '''(int,int);
         ''')
         convert_func = '''
         void int2arr''' + self.fname.split('.')[0] + '''(int  num, int array[], int n)
@@ -677,7 +686,7 @@ def sim_main(self):
         }
         '''
         foo_func = '''
-        int foo''' + self.fname.split('.')[0] + '''(int init,int count)
+        int foo_''' + self.fname.split('.')[0] + '''(int init,int count)
         {
             static VerilatedContext* contextp = new VerilatedContext;
             static V''' + self.fname.split('.')[0] + "* " + self.fname.split('.')[0] + '''[1024];
@@ -715,9 +724,9 @@ def sim_main(self):
                 item.split(':')[0] +
                 ''' = arr2int''' +
                 self.fname.split('.')[0] +
-                '''(temp_''' +
+                '''(''' + self.fname.split('.')[0] + '''_temp_''' +
                 item.split(':')[0] +
-                ", port_" +
+                ''', ''' + self.fname.split('.')[0] + '''_port_''' +
                 item.split(':')[0] +
                 ''');\n''')
         before_eval.append(
@@ -745,9 +754,9 @@ def sim_main(self):
                 self.fname.split('.')[0] +
                 '''[count] -> ''' +
                 item.split(':')[0] +
-                ''', temp_''' +
+                ''', ''' + self.fname.split('.')[0] + '''_temp_''' +
                 item.split(':')[0] +
-                ''', port_''' +
+                ''', ''' + self.fname.split('.')[0] + '''_port_''' +
                 item.split(':')[0] +
                 ''');\n''')
         after_eval.append('''