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Investments - Schedule of Investment (Parenthetical) (Detail) - INR (₨) ₨ in Millions | Mar. 31, 2018 | Mar. 31, 2017
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Disclosure of detailed information about financial instruments [abstract] |  |
Investments in liquid and short-term mutual funds | ₨ 0 | ₨ 117
Term deposits | ₨ 453 | ₨ 308

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- References No definition available. + Details
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- Definition Investments in liquid and short-term mutual funds. + References No definition available. + Details
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- Definition Term deposits including deposits in lien with banks. + References No definition available. + Details
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