diff --git a/platform/broadcom/sonic-platform-modules-accton/as7326-56x/sonic_platform/chassis.py b/platform/broadcom/sonic-platform-modules-accton/as7326-56x/sonic_platform/chassis.py
index 99fb3b569a..feb1fbdb56 100644
--- a/platform/broadcom/sonic-platform-modules-accton/as7326-56x/sonic_platform/chassis.py
+++ b/platform/broadcom/sonic-platform-modules-accton/as7326-56x/sonic_platform/chassis.py
@@ -7,6 +7,7 @@
 #############################################################################
 
 try:
+    import sys
     import time
     from sonic_platform_pddf_base.pddf_chassis import PddfChassis
 except ImportError as e:
@@ -38,7 +39,7 @@ class Chassis(PddfChassis):
 
         bitmap = 0
         for i in range(58):
-            modpres = self.get_sfp(i).get_presence()
+            modpres = self.get_sfp(i+1).get_presence()
             if modpres:
                 bitmap = bitmap | (1 << i)
 
@@ -59,3 +60,26 @@ class Chassis(PddfChassis):
             return True, change_dict
         else:
             return True, change_dict
+
+    def get_sfp(self, index):
+        """
+        Retrieves sfp represented by (1-based) index <index>
+
+        Args:
+            index: An integer, the index (1-based) of the sfp to retrieve.
+            The index should be the sequence of a physical port in a chassis,
+            starting from 1.
+            For example, 1 for Ethernet0, 2 for Ethernet4 and so on.
+
+        Returns:
+            An object derived from SfpBase representing the specified sfp
+        """
+        sfp = None
+
+        try:
+            # The index will start from 1
+            sfp = self._sfp_list[index-1]
+        except IndexError:
+            sys.stderr.write("SFP index {} out of range (1-{})\n".format(
+                             index, len(self._sfp_list)))
+        return sfp
diff --git a/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/chassis.py b/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/chassis.py
index 713cf6831a..8ff20a7605 100644
--- a/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/chassis.py
+++ b/platform/broadcom/sonic-platform-modules-accton/as7726-32x/sonic_platform/chassis.py
@@ -7,6 +7,7 @@
 #############################################################################
 
 try:
+    import sys
     import time
     from sonic_platform_pddf_base.pddf_chassis import PddfChassis
 except ImportError as e:
@@ -38,7 +39,7 @@ class Chassis(PddfChassis):
         
         bitmap = 0
         for i in range(34):
-            modpres = self.get_sfp(i).get_presence()
+            modpres = self.get_sfp(i+1).get_presence()
             if modpres:
                 bitmap = bitmap | (1 << i)
 
@@ -59,3 +60,27 @@ class Chassis(PddfChassis):
             return True, change_dict
         else:
             return True, change_dict
+
+
+    def get_sfp(self, index):
+        """
+        Retrieves sfp represented by (1-based) index <index>
+
+        Args:
+            index: An integer, the index (1-based) of the sfp to retrieve.
+            The index should be the sequence of a physical port in a chassis,
+            starting from 1.
+            For example, 1 for Ethernet0, 2 for Ethernet4 and so on.
+
+        Returns:
+            An object derived from SfpBase representing the specified sfp
+        """
+        sfp = None
+
+        try:
+            # The index will start from 1
+            sfp = self._sfp_list[index-1]
+        except IndexError:
+            sys.stderr.write("SFP index {} out of range (1-{})\n".format(
+                             index, len(self._sfp_list)))
+        return sfp
diff --git a/platform/broadcom/sonic-platform-modules-accton/as7816-64x/sonic_platform/chassis.py b/platform/broadcom/sonic-platform-modules-accton/as7816-64x/sonic_platform/chassis.py
index 12c7dbacb1..c597c0d8bb 100644
--- a/platform/broadcom/sonic-platform-modules-accton/as7816-64x/sonic_platform/chassis.py
+++ b/platform/broadcom/sonic-platform-modules-accton/as7816-64x/sonic_platform/chassis.py
@@ -7,6 +7,7 @@
 #############################################################################
 
 try:
+    import sys
     import time
     from sonic_platform_pddf_base.pddf_chassis import PddfChassis
 except ImportError as e:
@@ -38,7 +39,7 @@ class Chassis(PddfChassis):
         
         bitmap = 0
         for i in range(64):
-            modpres = self.get_sfp(i).get_presence()
+            modpres = self.get_sfp(i+1).get_presence()
             if modpres:
                 bitmap = bitmap | (1 << i)
 
@@ -59,3 +60,27 @@ class Chassis(PddfChassis):
             return True, change_dict
         else:
             return True, change_dict
+
+
+    def get_sfp(self, index):
+        """
+        Retrieves sfp represented by (1-based) index <index>
+
+        Args:
+            index: An integer, the index (1-based) of the sfp to retrieve.
+            The index should be the sequence of a physical port in a chassis,
+            starting from 1.
+            For example, 1 for Ethernet0, 2 for Ethernet4 and so on.
+
+        Returns:
+            An object derived from SfpBase representing the specified sfp
+        """
+        sfp = None
+
+        try:
+            # The index will start from 1
+            sfp = self._sfp_list[index-1]
+        except IndexError:
+            sys.stderr.write("SFP index {} out of range (1-{})\n".format(
+                             index, len(self._sfp_list)))
+        return sfp
diff --git a/platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/chassis.py b/platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/chassis.py
index 713cf6831a..8ff20a7605 100644
--- a/platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/chassis.py
+++ b/platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/chassis.py
@@ -7,6 +7,7 @@
 #############################################################################
 
 try:
+    import sys
     import time
     from sonic_platform_pddf_base.pddf_chassis import PddfChassis
 except ImportError as e:
@@ -38,7 +39,7 @@ class Chassis(PddfChassis):
         
         bitmap = 0
         for i in range(34):
-            modpres = self.get_sfp(i).get_presence()
+            modpres = self.get_sfp(i+1).get_presence()
             if modpres:
                 bitmap = bitmap | (1 << i)
 
@@ -59,3 +60,27 @@ class Chassis(PddfChassis):
             return True, change_dict
         else:
             return True, change_dict
+
+
+    def get_sfp(self, index):
+        """
+        Retrieves sfp represented by (1-based) index <index>
+
+        Args:
+            index: An integer, the index (1-based) of the sfp to retrieve.
+            The index should be the sequence of a physical port in a chassis,
+            starting from 1.
+            For example, 1 for Ethernet0, 2 for Ethernet4 and so on.
+
+        Returns:
+            An object derived from SfpBase representing the specified sfp
+        """
+        sfp = None
+
+        try:
+            # The index will start from 1
+            sfp = self._sfp_list[index-1]
+        except IndexError:
+            sys.stderr.write("SFP index {} out of range (1-{})\n".format(
+                             index, len(self._sfp_list)))
+        return sfp