diff --git a/index.js b/index.js
index 2b37e46..7dee2d5 100644
--- a/index.js
+++ b/index.js
@@ -4,6 +4,8 @@
 var functionOperatorMap = {
   BETWEEN: 'whereBetween',
   IN: 'whereIn',
+  NIN: 'whereNotIn',
+  NOTIN: 'whereNotIn',
   ISNULL: 'whereNull',
   NOTNULL: 'whereNotNull',
   /* ---- */
@@ -14,11 +16,13 @@ var functionOperatorMap = {
   /* ---- */
   OR_BETWEEN: 'orWhereBetween',
   OR_IN: 'orWhereIn',
+  OR_NOTIN: 'orWhereNotIn',
   OR_ISNULL: 'orWhereNull',
   IR_NOTNULL: 'orWhereNotNull',
   /* ---- */
   AND_BETWEEN: 'andWhereBetween',
   AND_IN: 'andWhereIn',
+  AND_NOTIN: 'andWhereNotIn',
   AND_ISNULL: 'andWhereNull',
   AND_NOTNULL: 'andWhereNotNull',
 };
diff --git a/test.js b/test.js
index 6ab7fc3..730bb04 100644
--- a/test.js
+++ b/test.js
@@ -6,7 +6,7 @@ require('simple-mocha');
 
 
 var conditions= [
-  /* -----------Tests for and conditoins---------- */
+  /* -----------Tests for and conditions---------- */
   {
     name: 'handle simple and conditions',
     input:{ f1: 10, f2: 20, f3: 30 },
@@ -42,6 +42,11 @@ var conditions= [
     input:{ f1: ['IN', [10,50]], f2: [ '<', 20 ], f3: 30 },
     output: 'select * where ("f1" in (10, 50) and "f2" < 20 and "f3" = 30)'
   },
+  {
+    name: 'handle basic operators :: notin',
+    input:{ f1: ['NOTIN', [10,50]], f2: [ '<', 20 ], f3: 30 },
+    output: 'select * where ("f1" not in (10, 50) and "f2" < 20 and "f3" = 30)'
+  },
   {
     name: 'handle multiple conditions in one field',
     input:{ f1: [ [ 'LIKE', 20 ], 21, [ 'AND_BETWEEN', [ 40, 45 ] ] ], f2: 20, f3: 30 },
@@ -62,7 +67,12 @@ var conditions= [
     input:{ f1: ['IN', [ 50, 60 ] ], f2: 20, f3: 30 },
     output: 'select * where ("f1" in (50, 60) and "f2" = 20 and "f3" = 30)'
   },
-  /* -----------Tests for or conditoins---------- */
+  {
+    name: 'handle simple and condition with not in statement',
+    input:{ f1: ['NOTIN', [ 50, 60 ] ], f2: 20, f3: 30 },
+    output: 'select * where ("f1" not in (50, 60) and "f2" = 20 and "f3" = 30)'
+  },
+  /* -----------Tests for or conditions---------- */
   {
     name: 'handle simple or condition',
     input:[ { f1: 10 }, { f2: 20 }, { f3: 30 } ],
@@ -103,11 +113,21 @@ var conditions= [
     input:[ { f1: ['IN',[ 50, 60 ]] }, { f2: 20 }, { f3: 30 } ],
     output: 'select * where (("f1" in (50, 60)) or ("f2" = 20) or ("f3" = 30))'
   },
+  {
+    name: 'handle simple or condition with not in statement',
+    input:[ { f1: ['NOTIN',[ 50, 60 ]] }, { f2: 20 }, { f3: 30 } ],
+    output: 'select * where (("f1" not in (50, 60)) or ("f2" = 20) or ("f3" = 30))'
+  },
   {
     name: 'handle simple or condition with in statement :MongoQuery',
     input:[ { f1: {$in:[ 50, 60 ]} }, { f2: 20 }, { f3: 30 } ],
     output: 'select * where (("f1" in (50, 60)) or ("f2" = 20) or ("f3" = 30))'
   },
+  {
+    name: 'handle simple or condition with nin statement :MongoQuery',
+    input:[ { f1: {$nin:[ 50, 60 ]} }, { f2: 20 }, { f3: 30 } ],
+    output: 'select * where (("f1" not in (50, 60)) or ("f2" = 20) or ("f3" = 30))'
+  },
 ];