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Flyash, because of its physical and chemical properties has been investigated for its suitability for utilization in the major  areas such as building and civil Engg. Sector, low area filling,
reclamation of land and mineral the areas mentioned below  have tremendous scope of large scale usage’s.

• Manufacture of Portland Pozzolona Concrete.
• Raw materialfor manufacturing of low energy OPC.
• Flyash Concrete ,Ready mix concrete,Mass concrete production at site,
• Sintered Flyash aggregates.
• Building bricks and blocks,
• cellular concrete.
• Construction material for highways and pavements.
• Land reclamation      &
• Road Construction
• It can be used up to 50 % of total cementitious material in high pressure steam-cured block and as a 20-30% replacement in low pressure steam-cured block where it provides strength and plasticity to the relatively harsh block mixes.
• It is used as a mineral filler in asphaltic roads to minimize void content and increase the stability of bituminous wearing courses during road construction. Use of fly ash rather than ground limestone has proved itself.
• It is a pozzolan in grouts for pressure grouting of concrete highways (slabjacking or under-slab grouting); and in grouts for other purposes such as tunnel linings, sewer relining, and abandoned sewer and mineshafts.
• It is used in mining mortars in such applications as rock stabilization or filling of cavities.
• It is used in Soil Stabilization both to dry the soil and reduce its plasticity.
• It is used in Road Base. These dry compacted mixtures ,containing portland cement (CFA)or lime (LFA), are used in sub-base and base courses. Bearing strength and durability are improved as compared to conventional natural aggregate.
• It is used in stabilized backfills (flowable fills).
• It is used as a lightweight synthetic aggregate in block and concrete. Pellets are formed on a rotating disk and then sintered in an oven.
• It is used to stabilize industrial   wastes.
• It is used along with bottom ash as a growing media for plants.