diff --git a/graphs/graph_matrix.py b/graphs/graph_matrix.py
index 987168426ba5..f97a59f317c5 100644
--- a/graphs/graph_matrix.py
+++ b/graphs/graph_matrix.py
@@ -4,22 +4,31 @@ def __init__(self, vertex):
         self.graph = [[0] * vertex for i in range(vertex)]
 
     def add_edge(self, u, v):
+        if u > self.vertex or v > self.vertex or u < 1 or v < 1:
+            raise IndexError("Invalid Edge")
         self.graph[u - 1][v - 1] = 1
         self.graph[v - 1][u - 1] = 1
 
-    def show(self):
+    def remove_edge(self, u, v):
+        if u > self.vertex or v > self.vertex or u < 1 or v < 1:
+            raise IndexError("Invalid Edge")
+        self.graph[u - 1][v - 1] = 0
+        self.graph[v - 1][u - 1] = 0
 
+    def show(self):
         for i in self.graph:
             for j in i:
                 print(j, end=" ")
             print(" ")
 
 
-g = Graph(100)
+g = Graph(4)
 
 g.add_edge(1, 4)
 g.add_edge(4, 2)
-g.add_edge(4, 5)
-g.add_edge(2, 5)
-g.add_edge(5, 3)
+g.add_edge(4, 3)
+g.add_edge(2, 4)
+g.add_edge(3, 1)
+g.show()
+g.remove_edge(4, 3)
 g.show()