What influences the price of transformer oil in India?

Price in India is influenced by base oil costs, refining and additive packages, compliance testing, domestic supply vs imports, taxation and duties, currency rates, packaging, and transportation distance. Demand from utilities, transformer manufacturers, and maintenance programs affects market tightness. Ester and silicone oils generally cost more than mineral oils due to feedstock and manufacturing complexity. Bulk procurement terms, quality certificates, and delivery timelines also shape final pricing.