diff --git a/vpd_tool_impl.cpp b/vpd_tool_impl.cpp
index 93c4d40..5870659 100644
--- a/vpd_tool_impl.cpp
+++ b/vpd_tool_impl.cpp
@@ -22,6 +22,71 @@
 using namespace openpower::vpd::parser::factory;
 using namespace openpower::vpd::parser::interface;
 
+bool VpdTool::fileToVector(Binary& data)
+{
+    try
+    {
+        std::ifstream file(value, std::ifstream::in);
+
+        if (file)
+        {
+            std::string line;
+            while (std::getline(file, line))
+            {
+                std::istringstream iss(line);
+                std::string byteStr;
+                while (iss >> std::setw(2) >> std::hex >> byteStr)
+                {
+                    uint8_t byte = strtoul(byteStr.c_str(), nullptr, 16);
+                    data.emplace(data.end(), byte);
+                }
+            }
+            return true;
+        }
+        else
+        {
+            std::cerr << "Unable to open the given file " << value << std::endl;
+        }
+    }
+    catch (std::exception& e)
+    {
+        std::cerr << e.what();
+    }
+    return false;
+}
+
+bool VpdTool::copyStringToFile(const std::string& input)
+{
+    try
+    {
+        std::ofstream outFile(value, std::ofstream::out);
+
+        if (outFile.is_open())
+        {
+            std::string hexString = input;
+            if (input.substr(0, 2) == "0x")
+            {
+                // truncating prefix 0x
+                hexString = input.substr(2);
+            }
+            outFile.write(hexString.c_str(), hexString.length());
+        }
+        else
+        {
+            std::cerr << "Error opening output file " << value << std::endl;
+            return false;
+        }
+
+        outFile.close();
+    }
+    catch (std::exception& e)
+    {
+        std::cerr << e.what();
+        return false;
+    }
+    return true;
+}
+
 static void
     getVPDInMap(const std::string& vpdPath,
                 std::unordered_map<std::string, DbusPropertyMap>& vpdMap,
@@ -320,8 +385,9 @@
     }
     catch (const sdbusplus::exception::SdBusError& e)
     {
-        // not required to handle the exception. Present will be set to Unknown
+        presence = "Unknown";
     }
+
     json js;
     js.emplace("Present", presence);
     return js;
@@ -408,14 +474,14 @@
 
 void VpdTool::readKeyword()
 {
+    const std::string& kw = getDbusNameForThisKw(keyword);
+
     string interface = "com.ibm.ipzvpd.";
     variant<Binary> response;
 
     try
     {
-        json output = json::object({});
-        json kwVal = json::object({});
-        makeDBusCall(INVENTORY_PATH + fruPath, interface + recordName, keyword)
+        makeDBusCall(INVENTORY_PATH + fruPath, interface + recordName, kw)
             .read(response);
 
         string printableVal{};
@@ -423,6 +489,25 @@
         {
             printableVal = getPrintableValue(*vec);
         }
+
+        if (!value.empty())
+        {
+            if (copyStringToFile(printableVal))
+            {
+                std::cout << "Value read is saved in the file " << value
+                          << std::endl;
+                return;
+            }
+            else
+            {
+                std::cerr << "Error while saving the read value in file. "
+                             "Displaying the read value on console"
+                          << std::endl;
+            }
+        }
+
+        json output = json::object({});
+        json kwVal = json::object({});
         kwVal.emplace(keyword, printableVal);
 
         output.emplace(fruPath, kwVal);
@@ -438,7 +523,22 @@
 
 int VpdTool::updateKeyword()
 {
-    Binary val = toBinary(value);
+    Binary val;
+
+    if (std::filesystem::exists(value))
+    {
+        if (!fileToVector(val))
+        {
+            std::cout << "Keyword " << keyword << " update failed."
+                      << std::endl;
+            return 1;
+        }
+    }
+    else
+    {
+        val = toBinary(value);
+    }
+
     auto bus = sdbusplus::bus::new_default();
     auto properties =
         bus.new_method_call(BUSNAME, OBJPATH, IFACE, "WriteKeyword");
@@ -446,12 +546,18 @@
     properties.append(recordName);
     properties.append(keyword);
     properties.append(val);
-    auto result = bus.call(properties);
+
+    // When there is a request to write 10K bytes, there occurs a delay in dbus
+    // call which leads to dbus timeout exception. To avoid such exceptions
+    // increase the timeout period from default 25 seconds to 60 seconds.
+    auto timeoutInMicroSeconds = 60 * 1000000L;
+    auto result = bus.call(properties, timeoutInMicroSeconds);
 
     if (result.is_method_error())
     {
         throw runtime_error("Get api failed");
     }
+    std::cout << "Data updated successfully " << std::endl;
     return 0;
 }
 
@@ -505,7 +611,21 @@
 int VpdTool::updateHardware(const uint32_t offset)
 {
     int rc = 0;
-    const Binary& val = static_cast<const Binary&>(toBinary(value));
+    Binary val;
+    if (std::filesystem::exists(value))
+    {
+        if (!fileToVector(val))
+        {
+            std::cout << "Keyword " << keyword << " update failed."
+                      << std::endl;
+            return 1;
+        }
+    }
+    else
+    {
+        val = toBinary(value);
+    }
+
     ifstream inventoryJson(INVENTORY_JSON_SYM_LINK);
     try
     {
@@ -518,6 +638,7 @@
     {
         throw(VpdJsonException("Json Parsing failed", INVENTORY_JSON_SYM_LINK));
     }
+    std::cout << "Data updated successfully " << std::endl;
     return rc;
 }
 
@@ -558,23 +679,39 @@
              vpdStartOffset);
     std::string keywordVal = obj.readKwFromHw(recordName, keyword);
 
-    if (!keywordVal.empty())
-    {
-        json output = json::object({});
-        json kwVal = json::object({});
-        kwVal.emplace(keyword, getPrintableValue(keywordVal));
+    keywordVal = getPrintableValue(keywordVal);
 
-        output.emplace(fruPath, kwVal);
-
-        debugger(output);
-    }
-    else
+    if (keywordVal.empty())
     {
         std::cerr << "The given keyword " << keyword << " or record "
                   << recordName
                   << " or both are not present in the given FRU path "
                   << fruPath << std::endl;
+        return;
     }
+
+    if (!value.empty())
+    {
+        if (copyStringToFile(keywordVal))
+        {
+            std::cout << "Value read is saved in the file " << value
+                      << std::endl;
+            return;
+        }
+        else
+        {
+            std::cerr
+                << "Error while saving the read value in file. Displaying "
+                   "the read value on console"
+                << std::endl;
+        }
+    }
+
+    json output = json::object({});
+    json kwVal = json::object({});
+    kwVal.emplace(keyword, keywordVal);
+    output.emplace(fruPath, kwVal);
+    debugger(output);
 }
 
 void VpdTool::printFixSystemVPDOption(UserOption option)
@@ -998,10 +1135,9 @@
             }
         }
 
-        std::cout
-            << "\n The critical keywords from system backplane VPD has been "
-               "reset successfully."
-            << std::endl;
+        std::cout << "\n The critical keywords from system backplane VPD has "
+                     "been reset successfully."
+                  << std::endl;
     }
     catch (const std::exception& e)
     {
@@ -1010,4 +1146,4 @@
             << "\nManufacturing reset on system vpd keywords is unsuccessful";
     }
     return 0;
-}
+}
\ No newline at end of file