THE FIRST DECADE
*	Cold Worked Deformed Bars (1966) – Import substitution
*	Ultimate Strength Design Hand Book (1966)
*	Construction of Heavy Duty Test Floor (1968)
*	Un-reinforced Funicular Brick Shell Roof (12.5 m x 12.5 m) (1969)
*	Pioneered the use of computers for civil engineering applications (1969)
*	Structural Use of Fly Ash in Prefabricated Channel Slab Construction (1972)
*	Journal of Structural Engineering (1973)
*	Prefabricated Industrialised Construction (1974)
*	Handbook of Machine Foundations (1974)
*	Ferrocement Grain Storage Bins, Water Tanks, Service Core Units and other Products (1974 – continuing)
*	Mono Block Prestressed Concrete Railway Sleepers (1970-78)
*	Model and Prototype Testing of Concrete Pressure Vessels (1971-79)

	THE SECOND DECADE
*	Low cost Housing Technologies (1975)
*	Rehabilitation of Fire Damaged Buildings (1975 – continuing)
*	Health Assessment, Repair and Rehabilitation of Buildings and Structures (1975 – continuing)
*	Fibre Reinforced Concrete Manhole Covers (1977)
*	Engineering of Structures for cyclone disaster mitigation (1977 – continuing)
*	Experimental Facilities for three-Dimensional Photo-elasticity, Moire-technique, Holographic Interferometry etc., for Testing of Models & Prototypes (1978 – continuing)
*	Funicular Shells and Moveable Form Work (1979)
*	Space Grid Roof (1979)
*	Special Purpose Softwares – CODES, OSTA, etc. (1981 – continuing)
*	Setting up of Tower Testing and Research Facility and Testing of Transmission Line Towers (1982 – continuing)
*	Licensing of Analysis and Design Software to Spread the Message of Use of Computers for Structural Design among Civil Engineering Community (1984)
*	Use of Polymer Impregnated Ferrocement Panels with Stainless Steel Bolts for Light Beacon Towers (1984)

	THE THIRD DECADE
*	Pile Dynamics (1985)
*	Seismic Qualification Testing of Industrial Components (1985)
*	Laced Reinforced Concrete Construction Techniques for Blast Resistant Design of Structures (1987 – 1994)
*	Blast Pen structure in Steel (1989)
*	Fatigue Testing and Evaluation (1989 – continuing)
*	Non-Linear analysis for Reinforced concrete Shells (1990 – continuing)
*	Parallel Processing for solving Complex and Large Sized Structural Engineering Problems (1990 – continuing)
*	Standardization of Test Procedures for Evaluation of Corrosion Damage in Concrete Structures (1991 – continuing)
*	Full-Scale Dynamic Testing of Turbo Generator Pedestal (1992)
*	Setting up of World Class Atmospheric Boundary Layer Wind Tunnel Test Facility and Wind Tunnel Tests on Models of Buildings and Structures (1992 – continuing)
*	Risk and Vulnerability Analysis for Natural Disaster Mitigation including Earthquakes and Cyclones using Expert Systems and Artificial Neural Network and Stochastic Finite Element Analysis (1992 – continuing)
*	Lowering of In-service Gas Pipe Line (1994)
*	Aerodynamically Shaped Cyclone Shelters (1997)

	THE NEW MILLENNIUM
*	Development of Bubble Shaped Dome for Parliament Library Building in Fibre Reinforced High Performance Concrete (2001)
*	Controlled Blasting for Blast Foundation (2002)
*	Fibre Optic Sensors in Civil engineering Applications (2002)
*	Development of Support Towers for Wind Energy Generators (2003)
*	Teaching Manual for Steel Structures (2004)
*	FINite element Engineering analysis of structures using Adaptive Refinement Techniques (FINEART) (2004)
*	Seismic Base Isolation and Development of Passive Energy Dissipation Devices (2004)
*	High Performance Concretes (HVFC, HPC, SCC) (2004)
*	Damage Tolerant Design of Critical Components of SARAS (2005)
*	Full Scale Testing and Evaluation of Railway Bridges (2005)
*	Seismic Evaluation and Retrofit of Multi-storeyed RC Buildings (2005)
*	Setting up of world class Advanced Seismic Testing and Research Laboratory (2007)
*	Soil Structure Interaction Studies of Massive RC Island Structure (2007)
*	Re-engineering of Navigational Span of Pamban Railway Bridge (2007)
*	Remote health monitoring scheme for civil engineering structures (2007)
*	Use of SIFCON for Blast Resistant Design
*	LRC based Blast-Resistant Design of IGLOO (2009)
*	Probabilistic Seismic Hazard Analysis (2009)