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Other Liabilities and Provisions - Summary of Activity for Provision for Warranty and Other Provisions (Detail) - INR (₨) ₨ in Millions | 12 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Disclosure of other provisions [line items] |  |
Balance at the beginning of the year | ₨ 1,274 | ₨ 1,276
Additional provision during the year | 324 | 800
Provision used during the year | (799) | (802)
Balance at the end of the year | 799 | 1,274
Provision for warranty [member] |  |
Disclosure of other provisions [line items] |  |
Balance at the beginning of the year | 440 | 402
Additional provision during the year | 317 | 631
Provision used during the year | (464) | (593)
Balance at the end of the year | 293 | 440
Other provisions [member] |  |
Disclosure of other provisions [line items] |  |
Balance at the beginning of the year | 834 | 874
Additional provision during the year | 7 | 169
Provision used during the year | (335) | (209)
Balance at the end of the year | ₨ 506 | ₨ 834

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- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84_a&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_d&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount used (ie incurrent and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 84 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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- Details
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