diff --git a/src/s1ap/handlers/service_req.c b/src/s1ap/handlers/service_req.c
new file mode 100644
index 0000000..eff8140
--- /dev/null
+++ b/src/s1ap/handlers/service_req.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2003-2018, Great Software Laboratory Pvt. Ltd.
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+
+#include "err_codes.h"
+#include "options.h"
+#include "ipc_api.h"
+#include "main.h"
+#include "s1ap.h"
+#include "s1ap_config.h"
+#include "sctp_conn.h"
+#include "s1ap_structs.h"
+#include "s1ap_msg_codes.h"
+#include "msgType.h"
+
+extern int g_enb_fd;
+extern s1ap_config g_s1ap_cfg;
+extern ipc_handle ipc_S1ap_Hndl;
+
+int
+s1_init_ue_service_req_handler(struct proto_IE *service_req_ies, int enb_fd)
+{
+	struct  s1_incoming_msg_data_t req= {0};
+
+	/*****Message structure***
+	*/
+	log_msg(LOG_INFO, "Parse s1ap Service request message\n");
+
+	/*Validate all eNB info*/
+
+	/*Add eNB info to hash*/
+
+	/*Create Q structure for Service req to MME.
+	  contains init UE information.*/
+	/* TODO : Revisit, in InitialContextSetup Request we are sending
+	 * MME UE S1AP Id as M-TMSI.
+	 */
+    req.msg_type = service_request;
+    req.msg_data.service_req_Q_msg_m.enb_fd = enb_fd;
+    for(int i = 0; i < service_req_ies->no_of_IEs; i++)
+    {
+        switch(service_req_ies->data[i].IE_type)
+        {
+            case S1AP_IE_ENB_UE_ID:
+                {
+                    log_msg(LOG_INFO, "Service Req S1AP_IE_ENB_UE_ID.\n");
+                    req.s1ap_enb_ue_id = service_req_ies->data[i].val.enb_ue_s1ap_id;
+                }break;
+            case S1AP_IE_NAS_PDU:
+                {
+                    log_msg(LOG_INFO, "Service Req NAS PDU.\n");
+                    req.msg_data.service_req_Q_msg_m.ksi = service_req_ies->data[i].val.nas.header.ksi;;
+                    req.msg_data.service_req_Q_msg_m.seq_no = service_req_ies->data[i].val.nas.header.seq_no;
+                    memcpy(&req.msg_data.service_req_Q_msg_m.mac, service_req_ies->data[i].val.nas.header.short_mac, sizeof(uint16_t));
+                }break;
+            case S1AP_IE_TAI:
+                {
+                    log_msg(LOG_INFO, "Service Req TAI.\n");
+                    memcpy(&req.msg_data.service_req_Q_msg_m.tai, 
+                        &service_req_ies->data[i].val.tai, 
+                        sizeof(struct TAI));
+                }break;
+            case S1AP_IE_UTRAN_CGI:
+                {
+                    log_msg(LOG_INFO, "Service Req CGI.\n");
+                    memcpy(&req.msg_data.service_req_Q_msg_m.utran_cgi, 
+                        &service_req_ies->data[i].val.utran_cgi, 
+                        sizeof(struct CGI));
+                }break;
+            case S1AP_IE_S_TMSI:
+                {
+                    log_msg(LOG_INFO, "Service Req STMSI.\n");
+                    if(service_req_ies->data[i].val.s_tmsi.mme_code 
+                       == g_s1ap_cfg.mme_code)
+                    {
+                        log_msg(LOG_INFO, "Service Req MME Code matched.\n");
+                        req.ue_idx = ntohl(service_req_ies->data[i].val.s_tmsi.m_TMSI);
+                        memcpy(&req.msg_data.service_req_Q_msg_m.s_tmsi, 
+                        &service_req_ies->data[i].val.s_tmsi,
+                         sizeof(struct STMSI));
+                    }
+                    else
+                    {
+                        log_msg(LOG_ERROR, "MME code mismatch. Send Service Reject. TBD");
+                        return -E_FAIL;
+                    }
+                }break;
+            default:
+                log_msg(LOG_WARNING,"Unhandled IE");
+        }
+    }
+
+	req.destInstAddr = htonl(mmeAppInstanceNum_c);
+        req.srcInstAddr = htonl(s1apAppInstanceNum_c);
+        send_tipc_message(ipc_S1ap_Hndl, mmeAppInstanceNum_c, (char *)&req, S1_READ_MSG_BUF_SIZE);
+
+	
+	/*Send Service req to mme-app*/
+	log_msg(LOG_INFO, "Send to mme-app service req handler.\n");
+
+	return SUCCESS;
+}
+
+