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diff --git a/src/dht/gnunet-service-wdht_neighbours.h b/src/dht/gnunet-service-wdht_neighbours.h
new file mode 100644
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+++ b/src/dht/gnunet-service-wdht_neighbours.h
@@ -0,0 +1,146 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
+
+     GNUnet 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 3, or (at your
+     option) any later version.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file dht/gnunet-service-xdht_neighbours.h
+ * @brief GNUnet DHT routing code
+ * @author Supriti Singh
+ */
+
+#ifndef GNUNET_SERVICE_XDHT_NEIGHBOURS_H
+#define GNUNET_SERVICE_XDHT_NEIGHBOURS_H
+
+#include "gnunet_util_lib.h"
+#include "gnunet_block_lib.h"
+#include "gnunet_dht_service.h"
+
+
+#if ENABLE_MALICIOUS
+/**
+ * Set the ENABLE_MALICIOUS value to malicious.
+ * @param malicious
+ */
+int
+GDS_NEIGHBOURS_act_malicious (unsigned int malicious);
+#endif
+
+/**
+ * Handle the put request from the client.
+ * @param key Key for the content
+ * @param block_type Type of the block
+ * @param options Routing options
+ * @param desired_replication_level Desired replication count
+ * @param expiration_time When does the content expire
+ * @param data Content to store
+ * @param data_size Size of content @a data in bytes
+ */
+void
+GDS_NEIGHBOURS_handle_put (const struct GNUNET_HashCode *key,
+                           enum GNUNET_BLOCK_Type block_type,
+                           enum GNUNET_DHT_RouteOption options,
+                           uint32_t desired_replication_level,
+                           struct GNUNET_TIME_Absolute expiration_time,
+                           const void *data, size_t data_size);
+
+/**
+ * Handle the get request from the client file. If I am destination do
+ * datacache put and return. Else find the target friend and forward message
+ * to it.
+ * @param key Key for the content
+ * @param block_type Type of the block
+ * @param options Routing options
+ * @param desired_replication_level Desired replication count
+ */
+void
+GDS_NEIGHBOURS_handle_get(const struct GNUNET_HashCode *key,
+                          enum GNUNET_BLOCK_Type block_type,
+                          enum GNUNET_DHT_RouteOption options,
+                          uint32_t desired_replication_level);
+
+/**
+ * Send the get result to requesting client.
+ * @param key Key of the requested data.
+ * @param type Block type
+ * @param target_peer Next peer to forward the message to.
+ * @param source_peer Peer which has the data for the key.
+ * @param put_path_length Number of peers in @a put_path
+ * @param put_path Path taken to put the data at its stored location.
+ * @param get_path_length Number of peers in @a get_path
+ * @param get_path Path taken to reach to the location of the key.
+ * @param expiration When will this result expire?
+ * @param data Payload to store
+ * @param data_size Size of the @a data
+ */
+void
+GDS_NEIGHBOURS_send_get_result (const struct GNUNET_HashCode *key,
+                                enum GNUNET_BLOCK_Type type,
+                                const struct GNUNET_PeerIdentity *target_peer,
+                                const struct GNUNET_PeerIdentity *source_peer,
+                                unsigned int put_path_length,
+                                const struct GNUNET_PeerIdentity *put_path,
+                                unsigned int get_path_length,
+                                const struct GNUNET_PeerIdentity *get_path,
+                                struct GNUNET_TIME_Absolute expiration,
+                                const void *data, size_t data_size);
+
+/**
+ * Construct a trail teardown message and forward it to target friend.
+ * @param trail_id Unique identifier of the trail.
+ * @param trail_direction Direction of trail.
+ * @param target_friend Friend to get this message.
+ */
+void
+GDS_NEIGHBOURS_send_trail_teardown (const struct GNUNET_HashCode *trail_id,
+                                    unsigned int trail_direction,
+                                    const struct GNUNET_PeerIdentity *peer);
+
+/**
+ * Return friend corresponding to peer.
+ * @param peer
+ * @return  Friend
+ */
+struct FriendInfo *
+GDS_NEIGHBOURS_get_friend (struct GNUNET_PeerIdentity peer);
+/**
+ * Initialize neighbours subsystem.
+ *
+ * @return #GNUNET_OK on success,
+ *         #GNUNET_SYSERR on error
+ */
+int
+GDS_NEIGHBOURS_init (void);
+
+
+/**
+ * Shutdown neighbours subsystem.
+ */
+void
+GDS_NEIGHBOURS_done (void);
+
+
+/**
+ * Get my identity
+ *
+ * @return my identity
+ */
+struct GNUNET_PeerIdentity
+GDS_NEIGHBOURS_get_my_id (void);
+
+#endif