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CONSOLIDATED STATEMENTS OF CASH FLOWS ₨ in Millions, $ in Millions | 12 Months Ended
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Mar. 31, 2019 INR (₨) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 INR (₨) | Mar. 31, 2017 INR (₨)
Cash flows from operating activities: |  |  |  |
Net income before noncontrolling interest | ₨ 220,565.5 | $ 3,189.2 | ₨ 178,833.9 | ₨ 140,740.6
Adjustment to reconcile net income to net cash provided by operating activities |  |  |  |
Provision for credit losses | 72,279.3 | 1,045.1 | 59,397.8 | 37,951.4
Depreciation and amortization | 12,247.8 | 177.1 | 9,678.9 | 8,876.9
Amortization of intangible assets | 1.0 | 0.0 | 1.0 | 3.0
Amortization of deferred customer acquisition costs and fees | 10,423.1 | 150.7 | 9,246.2 | 7,913.8
Amortization of premium (discount) on investments | 4,532.1 | 65.5 | 3,599.4 | 2,609.8
Other than temporary impairment losses on available for sale debt securities | 1,081.0 | 15.6 | 149.1 | 13.4
Deferred tax benefit | (8,129.4) | (117.6) | (10,403.5) | (5,048.6)
Other gains, net | (6,717.5) | (97.1) | 0.0 | 0.0
Share-based compensation expense | 5,343.3 | 77.3 | 6,594.6 | 8,203.2
Net realized (gain) loss on sale of available for sale debt securities | (2,596.0) | (37.5) | (10,853.2) | (9,606.2)
(Gain) loss on disposal of property and equipment, net | (64.8) | (0.9) | (64.5) | 14.8
Unrealized exchange (gain) loss | 574.6 | 8.3 | 1,719.5 | 407.9
Net change in: |  |  |  |
Investments held for trading | (96,555.7) | (1,396.1) | (131,816.3) | 35,241.8
Accrued interest receivable | (15,060.3) | (217.8) | (10,527.8) | (9,083.4)
Other assets | (112,726.3) | (1,629.9) | 90,525.6 | (65,542.3)
Accrued interest payable | 13,775.0 | 199.2 | 20,997.1 | 3,286.3
Accrued expense and other liabilities | 84,299.5 | 1,218.9 | (122,803.6) | 223,289.8
Net cash provided by operating activities | 183,272.2 | 2,650.0 | 94,274.2 | 379,272.2
Cash flows from investing activities: |  |  |  |
Term placements | 24,447.4 | 353.5 | (8,806.4) | 17,830.3
Activity in available for sale debt securities: |  |  |  |
Purchases | (1,781,754.9) | (25,762.8) | (1,518,100.1) | (2,890,096.8)
Proceeds from sales | 453,778.9 | 6,561.3 | 197,206.3 | 412,536.2
Maturities, prepayments and calls | 937,072.0 | 13,549.3 | 1,171,299.5 | 2,274,701.2
Net change in repurchase agreements and reverse repurchase agreements | 609,805.1 | 8,817.3 | (462,018.6) | (355,040.1)
Loans purchased | (240,356.2) | (3,475.4) | (55,216.0) | (128,490.2)
Repayments on loans purchased | 89,713.3 | 1,297.2 | 76,993.2 | 59,803.7
Increase in loans originated, net of principal collections | (1,610,724.3) | (23,289.8) | (1,440,601.9) | (956,914.2)
Additions to property and equipment | (16,355.0) | (236.5) | (9,181.5) | (12,628.5)
Proceeds from sale or disposal of property and equipment | 212.3 | 3.1 | 95.1 | 94.3
Activity in equity securities, net | (2,821.4) | (40.8) | 4.7 | 0.0
Net cash used in investing activities | (1,536,982.8) | (22,223.6) | (2,048,325.7) | (1,578,204.1)
Cash flows from financing activities: |  |  |  |
Net increase in deposits | 1,331,850.9 | 19,257.5 | 1,447,097.0 | 979,662.7
Net increase (decrease) in short-term borrowings | (127,707.1) | (1,846.5) | 456,558.6 | 68,703.2
Purchase of subsidiary shares from noncontrolling interest | 0.0 | 0.0 | (143.3) | 0.0
Proceeds from issue of shares by a subsidiary to noncontrolling interests | 459.8 | 6.6 | 366.5 | 301.9
Proceeds from issuance of long-term debt | 320,093.6 | 4,628.3 | 425,517.1 | 335,048.9
Repayment of long-term debt | (224,084.5) | (3,240.1) | (225,150.2) | (123,074.3)
Proceeds from issuance of equity shares for options exercised | 22,008.2 | 318.2 | 27,259.1 | 22,615.1
Proceeds from issuance of equity shares (net of issuance cost) | 235,896.2 | 3,410.9 | 0.0 | 0.0
Payment of dividends and dividend tax | (41,015.2) | (593.0) | (34,490.3) | (29,280.9)
Net cash provided by financing activities | 1,517,501.9 | 21,941.9 | 2,097,014.5 | 1,253,976.6
Effect of exchange rate changes on cash and due from banks, and restricted cash | (3,069.7) | (44.4) | 479.4 | (2,007.8)
Net change in cash and due from banks, and restricted cash | 160,721.6 | 2,323.9 | 143,442.4 | 53,036.9
Cash and due from banks, and restricted cash, beginning of year | 574,151.0 | 8,301.8 | 430,708.6 | 377,671.7
Cash and due from banks, and restricted cash, end of year | 734,872.6 | 10,625.7 | 574,151.0 | 430,708.6
Supplementary cash flow information: |  |  |  |
Interest paid | 520,351.2 | 7,523.9 | 399,287.9 | 370,455.4
Income taxes paid, net of refunds | 119,365.0 | 1,725.9 | 100,089.3 | 76,849.6
Non-cash investment activities |  |  |  |
Payable for purchase of property and equipment | ₨ 1,323.7 | $ 19.1 | ₨ 1,064.5 | ₨ 537.8

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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562 + Details
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