Deccan Herald Vacuum toilets on trains will also save the rails below Hindu New Delhi (IANS): The aircraft-style vacuum toilets Railways Minister Mamata Banerjee plans to introduce on trains on a trial basis are not only more hygienic, they will also save the rails below. Indian engineers face a unique problem — corrosion of … Lalu, Mamata are not on the same track IBNLive.com Mamata's 'Bengal Express' Financial Express Railway Budget 09-10: Mamata introduces 57 new trains Economic Times Business Standard

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