diff --git a/Indicators/MyIndicators/Authors/Kaufman/VIDYA_Stdev_Pro.mq5 b/Indicators/MyIndicators/Authors/Kaufman/VIDYA_Stdev_Pro.mq5
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index 0000000..104a6f8
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+++ b/Indicators/MyIndicators/Authors/Kaufman/VIDYA_Stdev_Pro.mq5
@@ -0,0 +1,71 @@
+//+------------------------------------------------------------------+
+//|                                              VIDYA_Stdev_Pro.mq5 |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.00"
+#property description "Tushar Chande's original VIDYA using Standard Deviation ratio."
+#property description "Adapts its speed based on relative volatility."
+
+#property indicator_chart_window
+#property indicator_buffers 1
+#property indicator_plots   1
+#property indicator_label1  "VIDYA (Stdev)"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDarkOrange
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+#include <MyIncludes\VIDYA_Stdev_Calculator.mqh>
+
+//--- Input Parameters ---
+input int                       InpVidyaPeriod    = 9;     // Base VIDYA Period
+input int                       InpStdevShort     = 9;     // Short-term Stdev Period (n)
+input int                       InpStdevLong      = 30;    // Long-term Stdev Period (m)
+input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice    = PRICE_CLOSE_STD;
+
+//--- Indicator Buffers ---
+double    BufferVIDYA[];
+
+//--- Global calculator object ---
+CVIDYAStdevCalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferVIDYA,  INDICATOR_DATA);
+   ArraySetAsSeries(BufferVIDYA,  false);
+
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+      g_calculator = new CVIDYAStdevCalculator_HA();
+   else
+      g_calculator = new CVIDYAStdevCalculator();
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpVidyaPeriod, InpStdevShort, InpStdevLong))
+     {
+      Print("Failed to initialize VIDYA Stdev Calculator.");
+      return(INIT_FAILED);
+     }
+
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("VIDYA Stdev%s(%d,%d,%d)", (InpSourcePrice <= PRICE_HA_CLOSE ? " HA" : ""), InpVidyaPeriod, InpStdevShort, InpStdevLong));
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpStdevLong);
+   IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; }
+
+//+------------------------------------------------------------------+
+int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
+  {
+   if(CheckPointer(g_calculator) == POINTER_INVALID)
+      return 0;
+   ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ? (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) : (ENUM_APPLIED_PRICE)InpSourcePrice;
+   g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferVIDYA);
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+