"I would say short run effect (of increase in tariffs) would probably be more inflation, medium run would actually mean lower inflation," Rajan told analysts during a concall while answering a specific query on any upside risk from possible tariff increases by the power discoms.
To illustrate, he used the example of petroleum subsidies.
"Because effectively not passing through the full price of the electricity is on the one hand encouraging consumption which then creates some shortage and creates a fiscal deficit which then effectively implies more spending.
It can be noted that power discoms in at least four states are in poor financial conditions due to a variety of reasons, including populism. There is a move to get them out of the dire times by raising prices for consumers.
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On GST, Rajan said it will be done this year and ready to roll by March 2016 but said it presents a mixed bag for inflation management.
"So, on one hand we have efficiency which will reduce the cost in terms of logistics, which may have some offsetting effect and then if there is more production and better unified markets in India it will bring down prices," Rajan said.