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Concentrations of Credit Risk (Detail) ₨ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2018 INR (₨) | Mar. 31, 2017 INR (₨) | Mar. 31, 2018 USD ($)
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 7,376,179.0 | ₨ 5,988,909.7 | $ 113,288.0
Fair Value Of Credit Substitutes | 324,031.5 | 419,540.6 | 4,976.7
Non-funded exposure | 897,794.6 | 868,225.1 |
Total Exposure | ₨ 8,598,005.1 | ₨ 7,276,675.4 | 132,053.6
Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 100.00% | 100.00% |
Consumer Loans |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 1,948,328.2 | ₨ 1,526,978.2 |
Non-funded exposure | 665.4 | 0.2 |
Total Exposure | ₨ 1,948,993.6 | ₨ 1,526,978.4 | 29,933.9
Consumer Loans | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 22.70% | 21.00% |
NBFC/Financial Intermediaries |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 231,249.9 | ₨ 180,220.7 |
Fair Value Of Credit Substitutes | 110,494.4 | 158,378.6 |
Non-funded exposure | 6,888.5 | 5,211.1 |
Total Exposure | ₨ 348,632.8 | ₨ 343,810.4 | 5,354.5
NBFC/Financial Intermediaries | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 4.10% | 4.70% |
Retail Trade |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 385,217.8 | ₨ 320,876.9 |
Fair Value Of Credit Substitutes | 1,181.4 | 2,941.7 |
Non-funded exposure | 13,091.9 | 9,952.3 |
Total Exposure | ₨ 399,491.1 | ₨ 333,770.9 | 6,135.6
Retail Trade | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 4.60% | 4.60% |
Automobile and Auto Ancillary |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 299,680.3 | ₨ 240,301.6 |
Fair Value Of Credit Substitutes | 13,105.7 | 31,661.9 |
Non-funded exposure | 30,876.7 | 24,816.3 |
Total Exposure | ₨ 343,662.7 | ₨ 296,779.8 | 5,278.2
Automobile and Auto Ancillary | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 4.00% | 4.10% |
Agriculture Production - Food |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 318,643.5 | ₨ 282,673.8 |
Fair Value Of Credit Substitutes | 497.9 | 2,075.0 |
Non-funded exposure | 614.9 | 458.3 |
Total Exposure | ₨ 319,756.3 | ₨ 285,207.1 | 4,911.0
Agriculture Production - Food | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 3.70% | 3.90% |
Consumer Services |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 308,333.2 | ₨ 260,053.9 |
Fair Value Of Credit Substitutes | 3,461.5 | 4,500.5 |
Non-funded exposure | 14,077.5 | 20,152.1 |
Total Exposure | ₨ 325,872.2 | ₨ 284,706.5 | 5,004.9
Consumer Services | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 3.80% | 3.90% |
Wholesale Trade - Non Industrial |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 180,841.8 | ₨ 232,111.9 |
Fair Value Of Credit Substitutes | 2,239.4 | 5,190.8 |
Non-funded exposure | 11,945.7 | 20,611.1 |
Total Exposure | ₨ 195,026.9 | ₨ 257,913.8 | 2,995.3
Wholesale Trade - Non Industrial | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.30% | 3.60% |
Road Transportation |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 310,740.7 | ₨ 241,771.3 |
Non-funded exposure | 5,247.2 | 4,104.8 |
Total Exposure | ₨ 315,987.9 | ₨ 245,876.1 | 4,853.1
Road Transportation | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 3.70% | 3.40% |
Wholesale Trade - Industrial |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 167,253.4 | ₨ 166,940.1 |
Fair Value Of Credit Substitutes | 103.9 | 3,144.3 |
Non-funded exposure | 27,470.1 | 34,878.0 |
Total Exposure | ₨ 194,827.4 | ₨ 204,962.4 | 2,992.3
Wholesale Trade - Industrial | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.30% | 2.80% |
Agriculture Production-Non Food |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 199,451.2 | ₨ 202,350.3 |
Non-funded exposure | 9.0 | 1.5 |
Total Exposure | ₨ 199,460.2 | ₨ 202,351.8 | 3,063.4
Agriculture Production-Non Food | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.30% | 2.80% |
Food And Beverage |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 210,780.7 | ₨ 166,494.3 |
Fair Value Of Credit Substitutes | 586.8 | 12,354.5 |
Non-funded exposure | 14,210.0 | 12,309.0 |
Total Exposure | ₨ 225,577.5 | ₨ 191,157.8 | 3,464.6
Food And Beverage | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.60% | 2.60% |
Real Estate and Property Services |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 233,700.5 | ₨ 168,660.4 |
Fair Value Of Credit Substitutes | 1,982.5 | 1,585.4 |
Non-funded exposure | 27,280.7 | 20,566.5 |
Total Exposure | ₨ 262,963.7 | ₨ 190,812.3 | 4,038.8
Real Estate and Property Services | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 3.10% | 2.60% |
Engineering |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 133,216.6 | ₨ 110,827.8 |
Fair Value Of Credit Substitutes | 2,470.7 | 4,900.7 |
Non-funded exposure | 99,933.4 | 74,511.2 |
Total Exposure | ₨ 235,620.7 | ₨ 190,239.7 | 3,618.8
Engineering | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.70% | 2.60% |
Coal & Petroleum Products |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans |  | ₨ 48,513.8 |
Fair Value Of Credit Substitutes |  | 2,136.8 |
Non-funded exposure |  | 123,490.2 |
Total Exposure |  | ₨ 174,140.8 |
Coal & Petroleum Products | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% |  | 2.40% |
Power |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 159,239.8 | ₨ 125,213.0 |
Fair Value Of Credit Substitutes | 34,738.6 | 20,395.7 |
Non-funded exposure | 36,017.7 | 24,455.8 |
Total Exposure | ₨ 229,996.1 | ₨ 170,064.5 | 3,532.4
Power | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.70% | 2.30% |
Business Services |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 207,868.8 | ₨ 159,666.1 |
Fair Value Of Credit Substitutes | 946.6 | 1,786.1 |
Non-funded exposure | 7,738.7 | 6,561.8 |
Total Exposure | ₨ 216,554.1 | ₨ 168,014.0 | 3,326.0
Business Services | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.50% | 2.30% |
Banks and Financial Institutions |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans |  | ₨ 40,763.1 |
Fair Value Of Credit Substitutes |  | 3,402.7 |
Non-funded exposure |  | 122,099.8 |
Total Exposure |  | ₨ 166,265.6 |
Banks and Financial Institutions | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% |  | 2.30% |
Telecom |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 125,842.1 | ₨ 108,104.6 |
Fair Value Of Credit Substitutes | 21,629.8 | 21,406.2 |
Non-funded exposure | 27,802.9 | 20,134.3 |
Total Exposure | ₨ 175,274.8 | ₨ 149,645.1 | 2,692.0
Telecom | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.00% | 2.10% |
Others (none greater than 2%) |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 1,439,682.5 | ₨ 1,406,387.9 |
Fair Value Of Credit Substitutes | 52,825.4 | 143,679.7 |
Non-funded exposure | 460,885.5 | 343,910.8 |
Total Exposure | ₨ 1,953,393.4 | ₨ 1,893,978.4 | 30,001.5
Others (none greater than 2%) | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 22.70% | 26.00% |
Textiles and Garments |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 159,873.4 |  |
Fair Value Of Credit Substitutes | 4,602.7 |  |
Non-funded exposure | 20,496.0 |  |
Total Exposure | ₨ 184,972.1 |  | 2,840.9
Textiles and Garments | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.20% |  |
Infrastructure Development |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 109,841.9 |  |
Fair Value Of Credit Substitutes | 9,762.5 |  |
Non-funded exposure | 55,773.0 |  |
Total Exposure | ₨ 175,377.4 |  | 2,693.6
Infrastructure Development | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.00% |  |
Iron and Steel |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 135,431.1 |  |
Fair Value Of Credit Substitutes | 2,583.1 |  |
Non-funded exposure | 36,184.6 |  |
Total Exposure | ₨ 174,198.8 |  | 2,675.5
Iron and Steel | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.00% |  |
Housing Finance |  |  |
Concentration Risk [Line Items] |  |  |
Gross loans | ₨ 110,961.6 |  |
Fair Value Of Credit Substitutes | 60,818.6 |  |
Non-funded exposure | 585.2 |  |
Total Exposure | ₨ 172,365.4 |  | $ 2,647.3
Housing Finance | Lender Concentration Risk | Concentration of Credit Risk by Industry |  |  |
Concentration Risk [Line Items] |  |  |
% | 2.00% |  |

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