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diff --git a/tests/nvme_writeuncor_test.py b/tests/nvme_writeuncor_test.py
new file mode 100644
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+++ b/tests/nvme_writeuncor_test.py
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+# Copyright (c) 2015-2016 Western Digital Corporation or its affiliates.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301, USA.
+#
+#   Author: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
+#
+"""
+NVMe Write Compare Testcae:-
+
+    1. Read block of data successfully.
+    2. Issue write uncorrectable to block of data.
+    3. Attempt to read from same block; shall fail.
+    4. Issue a write command to first block of data.
+    5. Read from the same block; shall pass.
+
+"""
+
+from nose.tools import assert_equal, assert_not_equal
+from nvme_test_io import TestNVMeIO
+
+
+class TestNVMeUncor(TestNVMeIO):
+
+    """
+    Represents NVMe Write Uncorrecatble testcase.
+        - Attributes:
+              - start_block : starting block of to perform IO.
+              - test_log_dir : directory for logs, temp files.
+    """
+
+    def __init__(self):
+        """ Constructor TestNVMeUncor """
+        TestNVMeIO.__init__(self)
+        self.start_block = 1023
+        self.setup_log_dir(self.__class__.__name__)
+        self.write_file = self.test_log_dir + "/" + self.write_file
+        self.read_file = self.test_log_dir + "/" + self.read_file
+        self.create_data_file(self.write_file, self.data_size, "15")
+        open(self.read_file, 'a').close()
+
+    def __del__(self):
+        """ Post Section for TestNVMeUncor """
+        TestNVMeIO.__del__(self)
+
+    def write_uncor(self):
+        """ Wrapper for nvme write uncorrectable
+            - Args:
+                - None
+            - Returns:
+                - return code of nvme write uncorrectable command.
+        """
+        write_uncor_cmd = "nvme write-uncor " + self.ns1 + \
+                          " --start-block=" + str(self.start_block) + \
+                          " --block-count=" + str(self.block_count)
+        return self.exec_cmd(write_uncor_cmd)
+
+    def test_write_uncor(self):
+        """ Testcase main """
+        assert_equal(self.nvme_read(), 0)
+        assert_equal(self.write_uncor(), 0)
+        assert_not_equal(self.nvme_read(), 0)
+        assert_equal(self.nvme_write(), 0)
+        assert_equal(self.nvme_read(), 0)