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In this paper, we have seen that now days Construction industry is always trying to find new, better and economical material to manufacture new product, which is very beneficial to the industry. Today a significant growth is observed in the manufacture of composite material. With this energy conservation, corrosion risk, sustainability is important when a product is changed or new product is manufactures. Glass fibre (GF) is one of the high performance non-metallic fibres made by fusing (co-melting) silica with minerals. Glass fibre reinforced concrete (GFRC) offers more characteristics such as light weight, good fire resistance and strength. In future it is very beneficial for construction industry. Many applications of glass fibre are residential, industrial, highway and bridges etc. Most of the studies preferred parameters like addition of glass fibres into the concrete with various proportions represented the positive as well as negative improvements in mechanical properties of concrete. However, the researchers could not exhibit the improvement in properties like compressive strength, modulus of elasticity, flexural strength, tensile strength, toughness, early age cracking etc. Even though these properties are important for desired quality of concrete, to overcome this, use of optimum percentage glass fibres in concrete. In present work different percentages of glass fibres were added for M-30 grade of concrete. The experimental study were carried out by casting the cubes in different proportions of glass fibres and glass fibre mesh and the results were obtained to find out optimum percentage of glass fibres. The glass fibres were added into the concrete in proportion of 0, 0.5 %, 1.0 % and 1.5 % by volume at an increment of 0.5 %. A comparative study of various experimental results was carried out.