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diff --git a/runtimes/libs/misc/include/misc/tensor/Index.h b/runtimes/libs/misc/include/misc/tensor/Index.h
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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file Index.h
+ * @ingroup COM_AI_RUNTIME
+ * @brief This file contains nnfw::misc::tensor::Index struct
+ */
+#ifndef __NNFW_MISC_TENSOR_INDEX_H__
+#define __NNFW_MISC_TENSOR_INDEX_H__
+
+#include <cstdint>
+#include <cstddef>
+
+#include <vector>
+#include <initializer_list>
+
+namespace nnfw
+{
+namespace misc
+{
+namespace tensor
+{
+
+/**
+ * @brief Struct to represent index of each dimension of a tensor
+ */
+struct Index
+{
+public:
+  /**
+   * @brief Construct a new @c Index object
+   * @param[in] rank    Rank of a tensor
+   */
+  Index(uint32_t rank) { _offsets.resize(rank); }
+
+public:
+  /**
+   * @brief Construct a new @c Index object
+   * @param[in] offsets    Rank of a tensor of @c std::initializer_list<int32_t> type
+   */
+  Index(std::initializer_list<int32_t> offsets) : _offsets{offsets}
+  {
+    // DO NOTHING
+  }
+
+public:
+  /**
+   * @brief Get the rank
+   * @return Rank that this @c Index object can handle
+   * @note   We can use static_cast\n
+   *         because size of _offsets is decieded by constructor's uintt_32 type argument
+   */
+  uint32_t rank(void) const { return static_cast<uint32_t>(_offsets.size()); }
+
+public:
+  /**
+   * @brief Get the index n'th dimension
+   * @param[in] n   Dimension
+   * @return index of n'th dimension
+   */
+  int32_t at(uint32_t n) const { return _offsets.at(n); }
+
+  /**
+   * @brief Get the reference of the index n'th dimension
+   * @param[in] n   Dimension
+   * @return reference of index of n'th dimension
+   */
+  int32_t &at(uint32_t n) { return _offsets.at(n); }
+
+private:
+  std::vector<int32_t> _offsets;
+};
+
+/**
+ * @brief Copy an @c Index with reversed order
+ * @param[in] origin    @c Index object to copy
+ * @return  an @c Index object with reversed order
+ * @note    This is used to convert NNAPI tensor index to ARM tensor index or vice versa
+ */
+inline static Index copy_reverse(const Index &origin)
+{
+  uint32_t rank = origin.rank();
+  Index target(rank);
+  for (uint32_t i = 0; i < rank; i++)
+    target.at(i) = origin.at(rank - 1 - i);
+  return target;
+}
+
+} // namespace tensor
+} // namespace misc
+} // namespace nnfw
+
+#endif // __NNFW_MISC_TENSOR_INDEX_H__