diff --git a/Practical/Assignment-2/IoT - Codes-2.py b/Practical/Assignment-2/IoT - Codes-2.py
index f3c52e1..08353ca 100644
--- a/Practical/Assignment-2/IoT - Codes-2.py	
+++ b/Practical/Assignment-2/IoT - Codes-2.py	
@@ -12,14 +12,14 @@ import RPi.GPIO as GPIO
 import time
 GPIO.setmode(GPIO.BCM)
 GPIO setwarnings(False)
-GPIO.setup(12,GPIO.OUT)
+GPIO.setup(16,GPIO.OUT)
 try:
   while True:
       print(“LED ON”)
-      GPIO.output(12,GPIO.HIGH)
+      GPIO.output(16,GPIO.HIGH)
       time.sleep(1)
       print(“LED OFF”)
-      GPIO.output(12,GPIO.LOW)
+      GPIO.output(16,GPIO.LOW)
       time.sleep(1)
 except:
   GPIO.cleanup()
@@ -31,17 +31,17 @@ import RPi.GPIO as GPIO
 import time
 GPIO.setmode(GPIO.BCM)
 GPIO setwarnings(False)
-GPIO.setup(12,GPIO.OUT)
-GPIO.setup(19,GPIO.OUT)
+GPIO.setup(16,GPIO.OUT)
+GPIO.setup(26,GPIO.OUT)
 try:
   while True:
       print(“LED ON”)
-      GPIO.output(12,GPIO.HIGH)
-      GPIO.output(19,GPIO.HIGH)
+      GPIO.output(16,GPIO.HIGH)
+      GPIO.output(26,GPIO.HIGH)
       time.sleep(1)
       print(“LED OFF”)
-      GPIO.output(12,GPIO.LOW)
-      GPIO.output(19,GPIO.LOW)
+      GPIO.output(16,GPIO.LOW)
+      GPIO.output(26,GPIO.LOW)
       time.sleep(1)
 except:
   GPIO.cleanup()
@@ -53,17 +53,17 @@ import RPi.GPIO as GPIO
 import time
 GPIO.setmode(GPIO.BCM)
 GPIO.setwarnings(False)
-GPIO.setup(12,GPIO.OUT)
-GPIO.setup(19,GPIO.OUT)
+GPIO.setup(16,GPIO.OUT)
+GPIO.setup(26,GPIO.OUT)
 try:
   while True:
     print("LED Buzzer ON")
-    GPIO.output(12,GPIO.HIGH)
-    GPIO.output(19,GPIO.HIGH)
+    GPIO.output(16,GPIO.HIGH)
+    GPIO.output(26,GPIO.HIGH)
     time.sleep(1)
     print("LED & Buzzer OFF")
-    GPIO.output(12,GPIO.LOW)
-    GPIO.output(19,GPIO.LOW)
+    GPIO.output(16,GPIO.LOW)
+    GPIO.output(26,GPIO.LOW)
     time.sleep(1)
 except:
   GPIO.cleanup()
diff --git a/Practical/Assignment-3/IoT - Code-3.py b/Practical/Assignment-3/IoT - Code-3.py
old mode 100755
new mode 100644
diff --git a/Practical/Water-level.py b/Practical/Water-level.py
index ea95a65..f631ef1 100644
--- a/Practical/Water-level.py
+++ b/Practical/Water-level.py
@@ -14,14 +14,14 @@ GPIO.setmode(GPIO.BCM)
 GPIO.setwarnings(False)
 GPIO.cleanup()
 GPIO.setup(16, GPIO.IN)         # Set GPIO 16 as input for water level sensor signal
-GPIO.setup(6, GPIO.OUT)         # Set GPIO 6 as output for LED
+GPIO.setup(26, GPIO.OUT)         # Set GPIO 6 as output for LED
 
 try:
     while True:
         if (GPIO.input(16))
-            GPIO.output(6, True)    # Turn ON LED if water detected
+            GPIO.output(26, True)    # Turn ON LED if water detected
         else
-            GPIO.output(6, False)   # Keep LED OFF if no water detected
+            GPIO.output(26, False)   # Keep LED OFF if no water detected
 except KeyboardInterrupt:
     GPIO.cleanup()
     print("Program exited by user.")