Today the Indian economy is among the fastest growing economy in the world despite the global financial crisis. India's economy is expected to continue to grow at approximately 8-9% over the next few years. India is one of the leading countries in the world to attract foreign direct investment. India's manufacturing sector, heavy industries, various global service centers and growing high-tech software rely on a reliable power supply. This underlines the principle that "No Power-No Business". This makes it very important that "Transformers" the heart of the substation should operate reliably 24x7. Ambitious initiatives by the Ministry of Energy such as Rajiv Gandhi Gramin Vidyutikaran Yojana (RGGVY), Power for all in 2012 make it difficult to maintain reliability of supply. India is facing a major challenge today and in the future for the growth and improvement of the reliability of its electrical infrastructure, including the transformer. Failures of transformer critical assets not only affect industries, other categories of consumers that affect the country's economy, but also have social and political ramifications.