diff --git a/src/mme-app/actionHandlers/serviceRequestActionHandlers.cpp b/src/mme-app/actionHandlers/serviceRequestActionHandlers.cpp
new file mode 100644
index 0000000..3cbe859
--- /dev/null
+++ b/src/mme-app/actionHandlers/serviceRequestActionHandlers.cpp
@@ -0,0 +1,328 @@
+
+/*
+ * Copyright 2019-present Infosys Limited
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/******************************************************************************
+ *
+ * This file has both generated and manual code.
+ *
+ * File template used for code generation:
+ * <TOP-DIR/scripts/SMCodeGen/templates/stateMachineTmpls/actionHandlers.cpp.tt>
+ *
+ ******************************************************************************/
+
+#include <typeinfo>
+#include "actionHandlers/actionHandlers.h"
+#include "controlBlock.h"
+#include "msgType.h"
+#include "contextManager/subsDataGroupManager.h"
+#include "contextManager/dataBlocks.h"
+#include "procedureStats.h"
+#include "log.h"
+#include "secUtils.h"
+#include "state.h"
+#include <string.h>
+#include <sstream>
+#include <smTypes.h>
+#include "common_proc_info.h"
+#include <ipcTypes.h>
+#include <tipcTypes.h>
+#include <msgBuffer.h>
+#include <interfaces/mmeIpcInterface.h>
+#include <event.h>
+#include <stateMachineEngine.h>
+#include <utils/mmeContextManagerUtils.h>
+
+using namespace mme;
+using namespace SM;
+using namespace cmn::utils;
+
+extern MmeIpcInterface* mmeIpcIf_g;
+
+/***************************************
+* Action handler :send_paging_req_to_ue 
+***************************************/
+ActStatus ActionHandlers::send_paging_req_to_ue(ControlBlock& cb)
+{	
+	log_msg(LOG_INFO,"Inside send_paging_req\n");
+
+	UEContext *ue_ctxt = dynamic_cast<UEContext*>(cb.getPermDataBlock());
+	
+	if (ue_ctxt == NULL)
+	{
+		log_msg(LOG_DEBUG, "send_paging_req: ue context is NULL\n");
+		return ActStatus::HALT;
+	}
+	
+	struct paging_req_Q_msg pag_req;
+	pag_req.msg_type = paging_request;
+	pag_req.ue_idx = ue_ctxt->getContextID();
+	pag_req.enb_s1ap_ue_id = ue_ctxt->getS1apEnbUeId();
+	pag_req.enb_fd = ue_ctxt->getEnbFd();
+	pag_req.cn_domain = CN_DOMAIN_PS;
+
+	const DigitRegister15& ueImsi = ue_ctxt->getImsi();
+	ueImsi.convertToBcdArray( pag_req.IMSI );
+	memcpy(&pag_req.tai, &(ue_ctxt->getTai().tai_m), sizeof(struct TAI));
+
+	cmn::ipc::IpcAddress destAddr;
+	destAddr.u32 = TipcServiceInstance::s1apAppInstanceNum_c;
+	mmeIpcIf_g->dispatchIpcMsg((char *) &pag_req, sizeof(pag_req), destAddr);
+
+	ProcedureStats::num_of_ddn_received++;
+
+	log_msg(LOG_INFO,"Leaving send_paging_req\n");
+
+	return ActStatus::PROCEED;
+}
+
+/***************************************
+* Action handler : process_service_request
+***************************************/
+ActStatus ActionHandlers::process_service_request(ControlBlock& cb)
+{
+    log_msg(LOG_DEBUG, "Inside process_service_request \n");
+	
+	UEContext *ue_ctxt = dynamic_cast<UEContext*>(cb.getPermDataBlock());
+
+	if (ue_ctxt == NULL )
+	{
+		log_msg(LOG_DEBUG, "process_service_request: ue ctxt is NULL \n");
+		return ActStatus::HALT;
+	}
+	
+	log_msg(LOG_DEBUG, "Leaving process_service_request \n");
+
+	ProcedureStats::num_of_service_request_received ++;
+
+	return ActStatus::PROCEED;
+}
+
+/***************************************
+* Action handler : send_ddn_ack_to_sgw
+***************************************/
+ActStatus ActionHandlers::send_ddn_ack_to_sgw(ControlBlock& cb)
+{
+    log_msg(LOG_DEBUG, "Inside send_ddn_ack_to_sgw \n");
+		
+	UEContext *ue_ctxt = static_cast<UEContext*>(cb.getPermDataBlock());
+	MmeSvcReqProcedureCtxt* srPrcdCtxt_p = dynamic_cast<MmeSvcReqProcedureCtxt*>(cb.getTempDataBlock());
+	
+	if (ue_ctxt == NULL || srPrcdCtxt_p == NULL)
+	{
+	    log_msg(LOG_DEBUG, "send_ddn_ack_to_sgw: ue ctxt or MmeSvcReqProcedureCtxt is NULL \n");
+	    return ActStatus::HALT;
+	}
+
+	DDN_ACK_Q_msg ddn_ack;
+	ddn_ack.msg_type = ddn_acknowledgement;
+	ddn_ack.ue_idx= ue_ctxt->getContextID();
+	ddn_ack.seq_no= srPrcdCtxt_p->getDdnSeqNo();
+	ddn_ack.cause = 16;
+	
+	cmn::ipc::IpcAddress destAddr;
+	destAddr.u32 = TipcServiceInstance::s11AppInstanceNum_c;
+
+	mmeIpcIf_g->dispatchIpcMsg((char *) &ddn_ack, sizeof(ddn_ack), destAddr);
+	
+	log_msg(LOG_DEBUG, "Leaving send_ddn_ack_to_sgw \n");
+
+	ProcedureStats::num_of_ddn_ack_sent ++;
+	
+	return ActStatus::PROCEED;
+}
+
+/***************************************
+* Action handler : perform_auth_and_sec_check
+***************************************/
+ActStatus ActionHandlers::perform_auth_and_sec_check(ControlBlock& cb)
+{
+    log_msg(LOG_DEBUG, "Inside auth_and_sec_check \n");
+	SM::ControlBlock* controlBlk_p = SubsDataGroupManager::Instance()->findControlBlock(cb.getCBIndex());	
+	UEContext *ue_ctxt = dynamic_cast<UEContext*>(cb.getPermDataBlock());
+	
+	if (ue_ctxt == NULL)
+	{
+		log_msg(LOG_DEBUG, "auth_and_sec_check: ue context is NULL\n");
+		return ActStatus::HALT;
+	}
+	
+	log_msg(LOG_DEBUG, "Leaving auth_and_sec_check \n");
+	
+
+	SM::Event evt(Event_e::AUTH_AND_SEC_CHECK_COMPLETE, NULL);
+
+	controlBlk_p->addEventToProcQ(evt);
+
+	
+	return ActStatus::PROCEED;
+}
+/***************************************************
+* Action handler : send_init_ctxt_req_to_ue_svc_req
+****************************************************/
+ActStatus ActionHandlers::send_init_ctxt_req_to_ue_svc_req(ControlBlock& cb)
+{
+    log_msg(LOG_DEBUG, "Inside send_init_ctxt_req_to_ue_svc_req \n");
+
+        UEContext *ue_ctxt = dynamic_cast<UEContext*>(cb.getPermDataBlock());
+        if (ue_ctxt == NULL )
+        {
+                log_msg(LOG_DEBUG, "send_init_ctxt_req_to_ue_svc_req : ue context is NULL \n");
+                return ActStatus::HALT;
+        }
+
+        SessionContext* sessionCtxt = ue_ctxt->getSessionContext();
+        if (sessionCtxt == NULL)
+        {
+                log_msg(LOG_DEBUG, "send_init_ctxt_req_to_ue_svc_req : session ctxt is NULL \n");
+                return ActStatus::HALT;
+        }
+
+        unsigned int nas_count = 0;
+        E_UTRAN_sec_vector* secVect = const_cast<E_UTRAN_sec_vector*>(ue_ctxt->getAiaSecInfo().AiaSecInfo_mp);
+        secinfo& secInfo = const_cast<secinfo&>(ue_ctxt->getUeSecInfo().secinfo_m);
+
+        SecUtils::create_kenb_key(secVect->kasme.val, secInfo.kenb_key, nas_count);
+
+        ics_req_paging_Q_msg icr_msg;
+        icr_msg.msg_type = ics_req_paging;
+        icr_msg.ue_idx = ue_ctxt->getContextID();
+        icr_msg.enb_fd = ue_ctxt->getEnbFd();
+        icr_msg.enb_s1ap_ue_id = ue_ctxt->getS1apEnbUeId();
+
+        icr_msg.ueag_max_ul_bitrate = (ue_ctxt->getAmbr().ambr_m).max_requested_bw_dl;
+        icr_msg.ueag_max_dl_bitrate = (ue_ctxt->getAmbr().ambr_m).max_requested_bw_ul;
+        BearerContext* bearerCtxt = sessionCtxt->getBearerContext();
+        icr_msg.bearer_id = bearerCtxt->getBearerId();
+
+        
+       	memcpy(&(icr_msg.gtp_teid), &(bearerCtxt->getS1uSgwUserFteid().fteid_m), sizeof(struct fteid));
+        memcpy(&(icr_msg.sec_key), &((ue_ctxt->getUeSecInfo().secinfo_m).kenb_key),
+                        KENB_SIZE);
+
+        //ue_ctxt->setdwnLnkSeqNo(icr_msg.dl_seq_no+1);
+
+        cmn::ipc::IpcAddress destAddr;
+        destAddr.u32 = TipcServiceInstance::s1apAppInstanceNum_c;
+
+        mmeIpcIf_g->dispatchIpcMsg((char *) &icr_msg, sizeof(icr_msg), destAddr);
+
+        ProcedureStats::num_of_init_ctxt_req_to_ue_sent ++;
+        log_msg(LOG_DEBUG, "Leaving send_init_ctxt_req_to_ue_svc_req_ \n");
+
+    	return ActStatus::PROCEED;
+}
+
+/***************************************
+* Action handler : process_init_ctxt_resp_svc_req
+***************************************/
+ActStatus ActionHandlers::process_init_ctxt_resp_svc_req(ControlBlock& cb)
+{
+    	log_msg(LOG_DEBUG, "Inside process_init_ctxt_resp_svc_req \n");
+
+        UEContext *ue_ctxt = dynamic_cast<UEContext*>(cb.getPermDataBlock());
+        MmeProcedureCtxt *procCtxt = dynamic_cast<MmeProcedureCtxt*>(cb.getTempDataBlock());
+
+        if (ue_ctxt == NULL || procCtxt == NULL)
+        {
+                log_msg(LOG_DEBUG, "process_init_ctxt_resp_svc_req: ue context or procedure ctxt is NULL \n");
+                return ActStatus::HALT;
+        }
+
+        SessionContext* sessionCtxt = ue_ctxt->getSessionContext();
+        if (sessionCtxt == NULL)
+        {
+                log_msg(LOG_DEBUG, "process_init_ctxt_resp_svc_req: session ctxt is NULL \n");
+                return ActStatus::HALT;
+        }
+
+        MsgBuffer* msgBuf = static_cast<MsgBuffer*>(cb.getMsgData());
+
+        if (msgBuf == NULL)
+                return ActStatus::HALT;
+
+        const s1_incoming_msg_data_t* s1_msg_data = static_cast<const s1_incoming_msg_data_t*>(msgBuf->getDataPointer());
+        const struct initctx_resp_Q_msg &ics_res =s1_msg_data->msg_data.initctx_resp_Q_msg_m;
+
+        fteid S1uEnbUserFteid;
+        S1uEnbUserFteid.header.iface_type = 0;
+        S1uEnbUserFteid.header.v4 = 1;
+        S1uEnbUserFteid.header.teid_gre = ics_res.gtp_teid;
+        S1uEnbUserFteid.ip.ipv4 = *(struct in_addr*)&ics_res.transp_layer_addr;
+	
+	    BearerContext* bearerCtxt = sessionCtxt->getBearerContext();
+	    if (bearerCtxt)
+	        bearerCtxt->setS1uEnbUserFteid(Fteid(S1uEnbUserFteid));
+
+        ProcedureStats::num_of_processed_init_ctxt_resp ++;
+        log_msg(LOG_DEBUG, "Leaving process_init_ctxt_resp_svc_req \n");
+
+	return ActStatus::PROCEED;
+}
+
+
+/***************************************
+* Action handler : send_mb_req_to_sgw_svc_req
+***************************************/
+ActStatus ActionHandlers::send_mb_req_to_sgw_svc_req(ControlBlock& cb)
+{
+    	log_msg(LOG_DEBUG, "Inside send_mb_req_to_sgw_svc_req \n");
+
+        UEContext *ue_ctxt = dynamic_cast<UEContext*>(cb.getPermDataBlock());
+        MmeProcedureCtxt *procCtxt = dynamic_cast<MmeProcedureCtxt*>(cb.getTempDataBlock());
+
+        if (ue_ctxt == NULL || procCtxt == NULL)
+        {
+                log_msg(LOG_DEBUG, "send_mb_req_to_sgw_svc_req: ue context or procedure ctxt is NULL \n");
+                return ActStatus::HALT;
+        }
+
+        SessionContext* sessionCtxt = ue_ctxt->getSessionContext();
+        if (sessionCtxt == NULL)
+        {
+                log_msg(LOG_DEBUG, "send_mb_req_to_sgw_svc_req: session ctxt is NULL \n");
+                return ActStatus::HALT;
+        }
+
+        struct MB_Q_msg mb_msg;
+        mb_msg.msg_type = modify_bearer_request;
+        mb_msg.ue_idx = ue_ctxt->getContextID();
+
+        memset(mb_msg.indication, 0, S11_MB_INDICATION_FLAG_SIZE); /*TODO : future*/
+        BearerContext* bearerCtxt = sessionCtxt->getBearerContext();
+        mb_msg.bearer_id = bearerCtxt->getBearerId();
+
+        memcpy(&(mb_msg.s11_sgw_c_fteid), &(sessionCtxt->getS11SgwCtrlFteid().fteid_m),
+                sizeof(struct fteid));
+
+        memcpy(&(mb_msg.s1u_enb_fteid), &(bearerCtxt->getS1uEnbUserFteid().fteid_m),
+                sizeof(struct fteid));
+
+
+        cmn::ipc::IpcAddress destAddr;
+        destAddr.u32 = TipcServiceInstance::s11AppInstanceNum_c;
+
+        mmeIpcIf_g->dispatchIpcMsg((char *) &mb_msg, sizeof(mb_msg), destAddr);
+
+        ProcedureStats::num_of_mb_req_to_sgw_sent ++;
+        log_msg(LOG_DEBUG, "Leaving send_mb_req_to_sgw_svc_req \n");
+
+        return ActStatus::PROCEED;
+}
+
+/***************************************
+* Action handler : process_mb_resp_svc_req
+***************************************/
+ActStatus ActionHandlers::process_mb_resp_svc_req(ControlBlock& cb)
+{
+   	log_msg(LOG_DEBUG, "Inside process_mb_resp_svc_req \n");
+
+	ProcedureStats::num_of_processed_mb_resp ++;
+
+	MmeContextManagerUtils::deallocateProcedureCtxt(cb, serviceRequest_c);
+
+	return ActStatus::PROCEED;
+}