diff --git a/README.md b/README.md
index fc91025..2b48924 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,10 @@ of the Mapcode library by Rijn Buve and Matthew Lowden.
 
 * May 2015
 
+    * 1.50.1
+    
+    Bugfix for mapcodes in IN-DD (in India).
+
     * 1.50 
     
     Major release. This version is not backwards compatible with mapcode 1.4x: is has dropped support for
diff --git a/mapcode.js b/mapcode.js
index aab34f9..13e4ab6 100644
--- a/mapcode.js
+++ b/mapcode.js
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-var mapcode_cversion = "1.50";
+var mapcode_cversion = "1.50.1";
 var MAX_CCODE = 533;
 
 var entity_iso = [
diff --git a/ndata.js b/ndata.js
index 59127fc..9683f80 100644
--- a/ndata.js
+++ b/ndata.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014 Stichting Mapcode Foundation (http://www.mapcode.com)
+ * Copyright (C) 2014-2015 Stichting Mapcode Foundation (http://www.mapcode.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -1932,7 +1932,7 @@ var data_minx = [
     -67544128, -64565028, -61585928, -58606828, -56584309, -70613495, -67545022, -64476549, -61408076, -60180687,
     -70673077, -67515231, -64357385, -61199539, -71458964, -68181954, -64904944, -61627934, -59861327, -71951856,
     -68585473, -65219090, -61852707, -58486324, -72243212, -68727874, -65212536, -72091873, -68427580, -72657604,
-    -68844356, -73700289, -69678504, -72472900, -65274203, -68865210, -73730000, 72821000, 70870000, 72791088,
+    -68844356, -73700289, -69678504, -72472900, -65274203, -68865210, -73730000, 72821000, 70870000, 70870000,
     72926000, 72920000, 72920000, 76714228, 76670456, 76670456, 92681755, 92512000, 92213843, 92120300,
     92671000, 93600000, 93595254, 94221815, 93798494, 92120300, 72999358, 72570000, 71923843, 71660809,
     71660809, 77170681, 76822831, 76822831, 91848224, 91543560, 91171481, 90551481, 90544461, 92128081,
@@ -3557,7 +3557,7 @@ var data_miny = [
     -29822975, -29822975, -29822975, -29822975, -28214261, -32504165, -32504165, -32504165, -32504165, -32504165,
     -35185355, -35185355, -35185355, -35185355, -37866545, -37866545, -37866545, -37866545, -37383930, -40547735,
     -40547735, -40547735, -40547735, -40038308, -43228925, -43228925, -43228925, -45910115, -45910115, -48591305,
-    -48591305, -51272495, -51272495, -52479030, -55116860, -55116860, -55116860, 20367000, 20690000, 20355072,
+    -48591305, -51272495, -51272495, -52479030, -55116860, -55116860, -55116860, 20367000, 20690000, 20367000,
     20300000, 20051500, 20051500, 30677855, 30633804, 30633804, 11603107, 11343000, 10504821, 11160000,
     7842000, 6720000, 14802691, 13371257, 12219185, 6670000, 8253865, 10505000, 10766451, 9770405,
     8253865, 28589511, 28395928, 28395928, 25533886, 25277659, 25439210, 25394310, 25163810, 25368610,
@@ -5182,7 +5182,7 @@ var data_maxx = [
     2979100, 2979100, 2979100, 2979100, 2949309, 3068473, 3068473, 3068473, 3068473, 3068473,
     3157846, 3157846, 3157846, 3157846, 3277010, 3277010, 3277010, 3277010, 3247219, 3366383,
     3366383, 3366383, 3366383, 3366383, 3515338, 3515338, 3515338, 3664293, 3664293, 3813248,
-    3813248, 4021785, 4021785, 4111158, 4379277, 4379277, 20095000, 85600, 137000, 145824,
+    3813248, 4021785, 4021785, 4111158, 4379277, 4379277, 20095000, 85600, 137000, 2036600,
     76000, 312000, 312000, 99944, 229544, 229544, 87451, 288000, 473928, 1364700,
     1009000, 400000, 126386, 125706, 125027, 2235700, 86490, 275000, 473928, 2710981,
     2710981, 98022, 531216, 531216, 95139, 515592, 191238, 191238, 190277, 191238,
@@ -6807,7 +6807,7 @@ var data_maxy = [
     5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
     5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
     5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
-    5, 5, 5, 5, 5, 5, 33356860, 100200, 54000, 147312,
+    5, 5, 5, 5, 5, 5, 33356860, 100200, 54000, 377000,
     64000, 312500, 312500, 86490, 174592, 174592, 86490, 792000, 8, 3088000,
     1454000, 745000, 1, 1, 1, 8255000, 86490, 795000, 8, 5,
     4197730, 86490, 8, 8, 86490, 8, 172979, 172979, 172979, 172979,
@@ -8200,3 +8200,4 @@ var data_special1 = [
     2542, 2353, 2353, 2353, 2353, 1, 1, 1, 390, 1, 256, 196, 167, 148, 134, 126, 119, 114, 110, 107,
     105, 103, 102, 102, 102, 102, 102, 103, 105, 107, 110, 114, 119, 126, 134, 148, 167, 196, 256, 1,
     0, -1];
+