Mantena Srinivas Raju| Srinivas Raju Mantena Group We aim at designing and delivering projects in irrigation, roads, bridges, tunnels at par with the national and international standards. This is made possible by integrating engineering and design and by building long-lasting relationships with our clients. Mantena Srinivas Raju. https://in.linkedin.com/in/srinivas-raju-mantena-792a765a #MantenaSrinivasRaju #srinivasraju #mantena #mantenaraju