diff --git a/src/DB/projects.json b/src/DB/projects.json
index 8eadf0c7..4a8538b4 100644
--- a/src/DB/projects.json
+++ b/src/DB/projects.json
@@ -2807,7 +2807,13 @@
         "title": "Pet Store",
         "description": "pet store is a e-commerce website for adopting pets",
         "tech": ["Html", "Css", "React js", "Styled component", "Context Api", "Email js Api"]
-      }
+      },
+      {
+      "link": "https://github.com/mandliyarajendra11/Calculator.git",
+      "title": "Calculator",
+      "description": "calculator is a basic calculation app for arithmetic operation",
+      "tech": ["Html","Css","React js","Redux"]
+    }
     ]
   },
   {