Terra Techcom Pvt. Ltd a pioneer in Earthquake onsite early warning and security system (EWS) in India. Terra Techcom Pvt. Ltd is a joint venture with secty lifePatron, Germany known for developing technology for EWS. Our onsite EWS is developed to detect the primary (P) waves of an earthquake and to warn people by triggering an indoor/outdoor alarm, making it the only available device in the world equipped with all in one security features that connects to a building management system (BMS).