Participated 1.  Participated in a Conference on 2nd International Conference on Advancements in Engineering & Management, Hyderabad, 27-02-2013 to 28-02-2013 2.  Participated in a Conference on Self-Healing Bacterial Concrete: A Review”, Hyderabad, 06-01-2012 to 07-01-2012 3.  Participated in a Conference on Structural Applications of Reactive Powder Concrete”, Hyderabad, 28-10-2011 4.  Participated in a Conference on Stress-Strain Behaviour of GFRSCC under Axial compression Paper No: S069. Proceedings of Conference on Advances in Materials and Techniques For Infrastructure Development (AMTID 2011), Calicut, 01-09-2011 5.  Participated in a Conference on Crack Repair In Concrete Structures Using Microorganisms, Coimbatore, 20-04-2011 to 21-04-2011 6.  Participated in a Conference on Impact of concrete materials on climate and management, Hyderabad, 23-10-2009 to 24-10-2009 7.  Participated in a Conference on Stress- Strain behavior of Self Compacting Concrete, Jaipur, 19-05-2009 to 20-05-2009 8.  Participated in a Conference on Studies on the use of bacteria to improve the performance of concrete-, Hyderabad, 21-01-2009 to 22-01-2009 9.  Participated in a Conference on Study on Mechanical Properties of High Strength Self Compacting Concrete, Hyderabad, 18-12-2008 to 19-12-2008 10.  Participated in a Conference on A study on the influence of Rice Husk Ash on fresh and hardened properties of Self Compacting Concrete, Warangal, 14-12-2007 to 15-12-2007 11.  Participated in a Conference on Studies on the effect of VMA on self compacting concrete, Warangal, 14-12-2007 to 15-12-2007 12.  Participated in a Conference on A Study on the effect of size of graded aggregator and fines on the properties of ordinary grade self compacting concrete, Warangal, 14-12-2007 to 15-12-2007 13.  Participated in a Conference on Flexural behaviour of GFRP reinforced beams in local environment: an experimental study, Melbourne, Australia, 26-09-2007 to 28-09-2007 14.  Participated in a Conference on Resisdual compressive strength of High Volume Fly Ash Concrete at elevated Temperature, Washington DC,USA, 19-09-2007 to 21-09-2007 15.  Participated in a Conference on Mix design procedures for Self Compacting Concrete A comparative study, Shibpur, Howrah, 11-01-2007 to 14-01-2007 16.  Participated in a Conference on Theoretical Prediction of Stress-Strain Curves of Steel Fiber Reinforced high Strength Concrete, Bhimavaram, 27-12-2006 to 29-12-2006 17.  Participated in a Conference on Durability of Super plasticized High Strength concrete using Rice Husk Ash and Fly Ash, Bhimavaram, 27-12-2006 to 29-12-2006 18.  Participated in a Seminar on Studies on Fly ash Concrete under Sulphate Attack in Ordinary Grades at Earlier Ages, Gulbarga, 20-11-2006 to 21-11-2006 19.  Participated in a Conference on Splitting tensile strength of High Volume Fly ash Concrete with and without steel fibers in different grades, CHENNAI, 07-12-2005 to 09-12-2005 20.  Participated in a Conference on Corrossion behaviour of steel in High Strength Concrete using admixtures, CHENNAI, 07-12-2005 21.  Participated in a Conference on Non destructive testing on high volume fly ash concrete, Delhi, 04-12-2005 to 07-12-2005 22.  Participated in a Conference on Stress Strain Behavior of High Volume fly ash Concrete in lower grades, Bhimavaram, 24-11-2005 to 26-11-2005 23.  Participated in a Conference on Effect of Size of Aggregate and Type of Mineral Admixtures on Strength of Self Compacting Concrete, Bhimavaram, 24-11-2005 to 26-11-2005 24.  Participated in a Conference on A Study on the Properties of Self Compacting Concrete with Different sizes of Aggregate, Bhimavaram, 24-11-2005 to 28-11-2005 25.  Participated in a Conference on Experimental Investigations on Stress – Strain Behaviour of Steel Fiber Reinforced Concrete with varying Aspect Ration Under Axial Compression, Bhimavaram, 24-11-2005 to 26-11-2005 26.  Participated in a Conference on Corrosion Behaviour of High Strength Concrete using GGBS and Fly Ash as Mineral Admixtures, Bhimavaram, 24-11-2005 to 26-11-2005 27.  Participated in a Conference on Experimental Study on High-Strength Steel Fiber-Reinforced Concrete, Bhimavaram, 24-11-2005 to 26-11-2005 28.  Participated in a Conference on Corrosion behaviour of high strength concrete using rice husk ash as mineral admixture, Manipal, 29-08-2005 to 30-08-2005 29.  Participated in a Conference on Durability Studies of High Strength Concrete made with Mineral Admixtures, Chennai., 12-08-2005 to 13-08-2005 30.  Participated in a Conference on Study on Accelerated Curing Methods for Admixtured Concretes, CHENNAI, 12-08-2005 to 13-08-2005 31.  Participated in a Conference on Effect of thermal cycles on compressive strength of High Volume Fly Ash Concrete, CHENNAI, 06-01-2005 to 08-01-2005 32.  Participated in a Conference on Strength characteristics of normal concrete using high volume of fly ash as an additional ingredient, Hyderabad, 16-12-2004 to 18-12-2004 33.  Participated in a Conference on High performance Rice-Husk Ash concrete – Mix proportioning using design factor method - International conference on advances in concrete construction, Hyderabad, 16-12-2004 to 18-12-2004 34.  Participated in a Conference on Behaviour of high strength concrete using mineral and chemical admixtures, Hyderabad, 16-12-2004 to 18-12-2004 35.  Participated in a Conference on Residual strength of high volume fly ash concrete after exposure to elevated temperature, Hyderabad, 16-12-2004 to 18-12-2004 36.  Participated in a Conference on Seismic response of circular buildings using finite element approach, Gowhati, Assam,  to 11-04-1998 37.  Participated in a Conference on Effect of damping on the response of buildings including soil structure, Gowhati, Assam,  to 01-04-1998 38.  Participated in a Conference on Strength characteristics of High volume fly ash concrete, Bangalore., 39.  Participated in a Conference on High Performance Rice Husk Ash Fibre Reinforced Concrete with chicken mesh wire fibres, Coimbatore,  to 31-12-1969 40.  Participated in a Conference on Effects of Thermal Cycles on compressive strength of fly ash concrete, Coimbatore,  to 31-12-1969 41.  Participated in a Conference on Effect of fly ash on the properties of steel fiber reinforced concrete, Chennai,  to 08-01-2004 42.  Participated in a Conference on Experimental studies on high volume fly ash concrete with fly ash as an additional ingredient, CHENNAI,  to 08-01-2004 43.  Participated in a Conference on Effect of combination of admixtures on the setting times of concrete, CHENNAI,  to 10-01-2004 44.  Participated in a Conference on Studies on Passive Techniques to Optimize Heat loads in Mechanically Ventilated Building, Hyderabad,  to 07-12-2005 45.  Participated in a Conference on Parametric Study of Percentage Fenestrations to Design Energy Efficient Buildings, Hyderabad,  to 08-01-2006 46.  Participated in a Conference on Rice Husk Ash cement concrete, Bangalore.,  to 01-03-1987 47.  Participated in a Conference on Over reinforced steel fiber reinforced concrete beams, Kakinada,  to 01-03-1989 48.  Participated in a Conference on Plastics as low cost housing material, Visakhapatnam,  to 01-06-1989 49.  Participated in a Conference on Roof structures for low cost housing - Seminar on ‘Modern trends in low cost housing, Visakhapatnam,  to 01-03-1989 50.  Participated in a Conference on Failure of water tank due to improper soil investigation, Kakinada,  to 01-03-1989 51.  Participated in a Conference on Influence of brand of cement upon the estimation of strength by ultrasonic pulse method, Madras,  to 01-08-1989 52.  Participated in a Conference on Rice Husk Ash blend cements – National seminar on ‘Recent advances in Civil Engineering with special reference to Building Industry’, Hyderabad,  to 01-09-1990 53.  Participated in a Conference on Durability of Rice Husk Ash cement concrete, Hyderabad,  to 01-01-1995 54.  Participated in a Conference on High performance Rice Husk Ash cement concrete, CHENNAI,  to 01-05-1998 55.  Participated in a Conference on Comparitive study of Silica Fume and Rice Husk Ash concretes, Roorkee,  to 03-12-1998 56.  Participated in a Conference on High volume fly ash concretes with Rice Husk Ash (RHA) as an admixture, Hamirpur(HP),  to 18-04-2002 57.  Participated in a Conference on Effect of crushed stone dust on some properties of concrete, Hamirpur(HP),  to 31-12-1969 58.  Participated in a Conference on Presented an invited paper, Machalipatnam,  to 31-12-1969 59.  Participated in a Conference on Effect of chemical admixtures on the accelerated strength of concrete, Warangal,  to 01-01-2004 60.  Participated in a Conference on High volume steel fibre reinforced concrete, Warangal,  to 01-01-2004 61.  Participated in a Conference on High performance Concrete Mix Design using Rice Husk Ash as Mineral Admixture, Warangal,  to 01-01-2004 62.  Participated in a Conference on Studies on the role of VMA on self compacting concrete, Anatapur,  to 09-09-2004 63.  Participated in a Conference on Presented an invited paper – SELF COMPACTING CONCRETE- MIX DESIGN in ADVANCEMENTSINCONCRETE STRUCTURES AND MATERIALS, Bhimavaram,  to 30-03-2004 64.  Participated in a Conference on Presented an invited paper – HIGH PERFORMANCE RICE HUSK ASH CONCRETE in ADVANCEMENTS IN CONCRETE STRUCTURES AND MATERIALS, Bhimavaram,  to 03-03-2004 65.  Participated in a Conference on Presented an invited paper SMART MATERIAL TECHNOLOGY AND BIO CONCRETE in ADVANCEMENTS INCONCRETE STRUCTURES AND MATERIALS, Bhimavaram,  to 31-03-2004 66.  Participated in a Conference on Strength and Durability characteristics of High Volume Fly Ash Concrete, Hyderabad,  to 28-10-2004 67.  Participated in a Workshop on European Guidelines for SCC – A Review, Hyderabad,  to 10-09-2005 68.  Participated in a Conference on Thermal Performance of Traditional and Modern Buildings in Kerala, Tokyo,  to 01-08-2005