Sri Vijaya Puram, Nov. 4: Along with the Countries on the Indian Ocean Rim, other Regional Tsunami Advisories Services providers, INCOIS, Hyderabad, the Union Territory of A&N Islands will be participating in the National Tsunami Mock Exercise tomorrow (Nov.5) coinciding with World Tsunami Awareness Day by Indian Tsunami Early Warning Centre (ITEWC), Indian National Centre for Ocean Information Services (INCOIS), Ministry of Earth Sciences, Govt. of India, Hyderabad and other Service Providers of Indian Ocean Countries with the objective to validate the warning centre dissemination process for issuing Tsunami Bulletins, procedures of Agencies receiving and confirming Tsunami Bulletins, process of dissemination of Bulletins/Messages by the SEOC, EOCs and other Control Rooms to other responsible Agencies within their area or to the public, decision making process about public warnings and evacuations and proper communication method.