diff --git a/device/ingrasys/x86_64-ingrasys_s8810_32q-r0/plugins/psuutil.py b/device/ingrasys/x86_64-ingrasys_s8810_32q-r0/plugins/psuutil.py
new file mode 100644
index 000000000000..7e69360b0402
--- /dev/null
+++ b/device/ingrasys/x86_64-ingrasys_s8810_32q-r0/plugins/psuutil.py
@@ -0,0 +1,92 @@
+#
+# psuutil.py
+# Platform-specific PSU status interface for SONiC
+#
+
+
+import os.path
+
+try:
+    from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class PsuUtil(PsuBase):
+    """Platform-specific PSUutil class"""
+
+    SYSFS_PSU_DIR = ["/sys/bus/i2c/devices/i2c-3/3-0051",
+                     "/sys/bus/i2c/devices/i2c-4/4-0051"]
+
+    def __init__(self):
+        PsuBase.__init__(self)
+    
+             
+    # Get sysfs attribute
+    def get_attr_value(self, attr_path):
+        
+        retval = 'ERR'        
+        if (not os.path.isfile(attr_path)):
+            return retval
+
+        try:
+            with open(attr_path, 'r') as fd:
+                retval = fd.read()
+        except Exception as error:
+            logging.error("Unable to open ", attr_path, " file !")
+
+        retval = retval.rstrip('\r\n')
+        return retval
+
+    def get_num_psus(self):
+        """
+        Retrieves the number of PSUs available on the device
+        :return: An integer, the number of PSUs available on the device
+         """
+        MAX_PSUS = 2
+        return MAX_PSUS
+
+    def get_psu_status(self, index):
+        """
+        Retrieves the oprational status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is operating properly, False if PSU is\
+        faulty
+        """
+        status = 0
+        attr_file = 'psu_pg'        
+        attr_path = self.SYSFS_PSU_DIR[index-1] +'/' + attr_file
+                  
+        attr_value = self.get_attr_value(attr_path)
+        
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU status
+            if (attr_value == 1):
+                    status = 1
+
+        return status
+
+    def get_psu_presence(self, index):
+        """
+        Retrieves the presence status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is plugged, False if not
+        """
+        status = 0
+        psu_absent = 0
+        attr_file ='psu_abs'
+        attr_path = self.SYSFS_PSU_DIR[index-1] +'/' + attr_file
+        
+        attr_value = self.get_attr_value(attr_path)
+
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU presence
+            if (attr_value == 0):
+                    status = 1
+
+        return status
+
diff --git a/device/ingrasys/x86_64-ingrasys_s9100-r0/plugins/psuutil.py b/device/ingrasys/x86_64-ingrasys_s9100-r0/plugins/psuutil.py
new file mode 100644
index 000000000000..4f226c69fff3
--- /dev/null
+++ b/device/ingrasys/x86_64-ingrasys_s9100-r0/plugins/psuutil.py
@@ -0,0 +1,92 @@
+#
+# psuutil.py
+# Platform-specific PSU status interface for SONiC
+#
+
+
+import os.path
+
+try:
+    from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class PsuUtil(PsuBase):
+    """Platform-specific PSUutil class"""
+
+    PSU_CPLD_DIR = "/sys/bus/i2c/devices/0-0033"
+
+    def __init__(self):
+        PsuBase.__init__(self)
+    
+             
+    # Get sysfs attribute
+    def get_attr_value(self, attr_path):
+        
+        retval = 'ERR'        
+        if (not os.path.isfile(attr_path)):
+            return retval
+
+        try:
+            with open(attr_path, 'r') as fd:
+                retval = fd.read()
+        except Exception as error:
+            logging.error("Unable to open ", attr_path, " file !")
+
+        retval = retval.rstrip('\r\n')
+        return retval
+
+    def get_num_psus(self):
+        """
+        Retrieves the number of PSUs available on the device
+        :return: An integer, the number of PSUs available on the device
+         """
+        MAX_PSUS = 2
+        return MAX_PSUS
+
+    def get_psu_status(self, index):
+        """
+        Retrieves the oprational status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is operating properly, False if PSU is\
+        faulty
+        """
+        status = 0
+        mask = [ 0x08, 0x10 ]
+        attr_file = 'cpld_pw_good'        
+        attr_path = self.PSU_CPLD_DIR +'/'+ attr_file
+                  
+        attr_value = self.get_attr_value(attr_path)
+        
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU status
+            if (attr_value & mask[index-1]):
+                    status = 1
+
+        return status
+
+    def get_psu_presence(self, index):
+        """
+        Retrieves the presence status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is plugged, False if not
+        """
+        status = 0
+        mask = [ 0x01, 0x02 ]
+        attr_file ='cpld_pw_abs'
+        attr_path = self.PSU_CPLD_DIR +'/'+ attr_file
+        
+        attr_value = self.get_attr_value(attr_path)
+
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU presence
+            if (~attr_value & mask[index-1]):
+                    status = 1
+
+        return status
+
diff --git a/device/ingrasys/x86_64-ingrasys_s9100-r0/sensors.conf b/device/ingrasys/x86_64-ingrasys_s9100-r0/sensors.conf
index c55f5c764e65..5535db7e7eb4 100644
--- a/device/ingrasys/x86_64-ingrasys_s9100-r0/sensors.conf
+++ b/device/ingrasys/x86_64-ingrasys_s9100-r0/sensors.conf
@@ -9,14 +9,24 @@ chip "jc42-*"
 
 chip "w83795adg-*"
     label in0 "1.0V"
+    set in0_min 1.00 * 0.97
+    set in0_max 1.00 * 1.03
     label in1 "1.0V_ROV"
+    set in1_min 1.00 * 0.98
+    set in1_max 1.00 * 1.02
     label in2 "1.25V"
+    set in2_min 1.25 * 0.97
+    set in2_max 1.25 * 1.03
     label in3 "1.8V"
+    set in3_min 1.80 * 0.97
+    set in3_max 1.80 * 1.03
     ignore in4
     ignore in5
     ignore in6
     ignore in7
     label in12 "+3.3V"
+    set in12_min 3.30 * 0.97
+    set in12_max 3.30 * 1.03
     ignore in14
     ignore in15
     ignore in16
diff --git a/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/plugins/psuutil.py b/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/plugins/psuutil.py
new file mode 100644
index 000000000000..cc996057e09e
--- /dev/null
+++ b/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/plugins/psuutil.py
@@ -0,0 +1,92 @@
+#
+# psuutil.py
+# Platform-specific PSU status interface for SONiC
+#
+
+
+import os.path
+
+try:
+    from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class PsuUtil(PsuBase):
+    """Platform-specific PSUutil class"""
+
+    SYSFS_PSU_DIR = ["/sys/bus/i2c/devices/i2c-18/18-0050",
+                     "/sys/bus/i2c/devices/i2c-17/17-0050"]
+
+    def __init__(self):
+        PsuBase.__init__(self)
+    
+             
+    # Get sysfs attribute
+    def get_attr_value(self, attr_path):
+        
+        retval = 'ERR'        
+        if (not os.path.isfile(attr_path)):
+            return retval
+
+        try:
+            with open(attr_path, 'r') as fd:
+                retval = fd.read()
+        except Exception as error:
+            logging.error("Unable to open ", attr_path, " file !")
+
+        retval = retval.rstrip('\r\n')
+        return retval
+
+    def get_num_psus(self):
+        """
+        Retrieves the number of PSUs available on the device
+        :return: An integer, the number of PSUs available on the device
+         """
+        MAX_PSUS = 2
+        return MAX_PSUS
+
+    def get_psu_status(self, index):
+        """
+        Retrieves the oprational status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is operating properly, False if PSU is\
+        faulty
+        """
+        status = 0
+        attr_file = 'psu_pg'        
+        attr_path = self.SYSFS_PSU_DIR[index-1] +'/' + attr_file
+                  
+        attr_value = self.get_attr_value(attr_path)
+        
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU status
+            if (attr_value == 1):
+                    status = 1
+
+        return status
+
+    def get_psu_presence(self, index):
+        """
+        Retrieves the presence status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is plugged, False if not
+        """
+        status = 0
+        psu_absent = 0
+        attr_file ='psu_abs'
+        attr_path = self.SYSFS_PSU_DIR[index-1] +'/' + attr_file
+        
+        attr_value = self.get_attr_value(attr_path)
+
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU presence
+            if (attr_value == 0):
+                    status = 1
+
+        return status
+
diff --git a/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/sensors.conf b/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/sensors.conf
index ef694e96a056..065c1ebddf36 100644
--- a/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/sensors.conf
+++ b/device/ingrasys/x86_64-ingrasys_s9200_64x-r0/sensors.conf
@@ -49,20 +49,30 @@ chip "w83795adg-*"
     ignore temp3
     ignore temp4
     ignore intrusion0
+
+chip "tmp75-i2c-*-4A"
+    label temp1 "BMC Board Temp"
+    set temp1_max 50
+    set temp1_max_hyst 45
+
+chip "tmp75-i2c-*-4F"
+    label temp1 "x86 CPU Board Temp"
+    set temp1_max 50
+    set temp1_max_hyst 45
+
 bus "i2c-6" "i2c-0-mux (chan_id 5)"
 chip "lm75-i2c-6-4E"
     label temp1 "MAC Temp"
     set temp1_max 50
     set temp1_max_hyst 45
 
-bus "i2c-6" "i2c-0-mux (chan_id 5)"
 chip "lm75-i2c-6-4D"
-    label temp1 "REAR Temp"
+    label temp1 "REAR MAC Temp"
     set temp1_max 50
     set temp1_max_hyst 45
 
 bus "i2c-7" "i2c-0-mux (chan_id 6)"
 chip "lm75-i2c-7-4D"
-    label temp1 "Front Temp"
+    label temp1 "Front MAC Temp"
     set temp1_max 50
     set temp1_max_hyst 45
diff --git a/platform/broadcom/sonic-platform-modules-ingrasys b/platform/broadcom/sonic-platform-modules-ingrasys
index 1d9ccb21aaf8..f2dc0aa6b96a 160000
--- a/platform/broadcom/sonic-platform-modules-ingrasys
+++ b/platform/broadcom/sonic-platform-modules-ingrasys
@@ -1 +1 @@
-Subproject commit 1d9ccb21aaf868a788fd593ff1c03fdaf150eaf0
+Subproject commit f2dc0aa6b96ab293b4ae6ebf3a942851dd9324b7