Loans, borrowings and bank overdrafts (Tables)

12 Months Ended

Mar. 31, 2019

Summary of Long - Term Loans and Borrowings

Long-term loans and borrowings


	As at March 31, 2018					As at March 31, 2019
Currency	Foreign currency in millions		Indian Rupee			Foreign currency in millions		Indian Rupee		Interest rate			Final maturity
Unsecured external commercial borrowing
U.S. Dollar		150		9,777			—		—		—			—
Unsecured loans
U.S. Dollar		625		40,715			382		26,395		3.01% - 3.81	%		July 2021
Canadian Dollar (CAD)		72		3,660			52		2,701		1.48% - 3.26	%		July 2021
Indian Rupee		—		366			—		162		8.29% - 9.35	%		December 2021
Australian Dollar (AUD)		2		92			1		70		4.65	%		January 2022
Great British Pound (GBP)		^		42			^		31		2.93	%		February 2022
Euro		^		24			^		19		2.98	%		December 2020
Brazilian Real (BRL)		1		12			^		2		14.04	%		May 2019

			₹	54,688				₹	29,380

Obligations under finance leases				5,442					2,002
Liabilities directly associated with assets held for sale				(1,469	)				—

				3,973					2,002

			₹	58,661				₹	31,382

Non-current portion of long term loans and borrowings				45,268					28,368
Current portion of long term loans and borrowings				13,393					3,014
^ Value is less than 1

Summary of Changes in Financing Liabilities Arising from Cash and Non-cash Changes

Changes in financing liabilities arising from cash and non-cash changes:


						Non-cash changes
	April 1, 2017		Cash flow			Assets taken on financial lease			Foreign exchange movements		Less: Liabilities directly associated with assets held for sale			March 31, 2018
Borrowings from banks	₹	120,911	₹	(6,661	)	₹	—		₹	5,439		—		₹	119,689
Bank overdrafts		1,992		2,007			—			—		—			3,999
External commercial borrowings		9,728		—			—			49		—			9,777
Obligations under finance leases		8,280		(3,627	)		766			23		(1,469	)		3,973
Loans from other than bank		1,501		(695	)		—			15		—			821

	₹	142,412	₹	(8,976	)	₹	766		₹	5,526	₹	(1,469	)	₹	138,259


									Non-cash changes
			April 1, 2018			Cash flow			Assets taken on financial lease		Foreign exchange movements			March 31, 2019
Borrowings from banks			₹	119,689		₹	(26,228	)	₹	—	₹	3,518		₹	96,979
Bank overdrafts				3,999			(3,995	)		—		—			4
External commercial borrowings				9,777			(10,064	)		—		287			—
Obligations under finance leases				3,973			(2,234	)		14		249			2,002
Loans from other than bank				821			(352	)		—		13			482

			₹	138,259		₹	(42,873	)	₹	14	₹	4,067		₹	99,467

Schedule of Finance Lease Payments

Finance lease payables consist of liabilities that are taken on lease for a contract term ranging from 1 to 5 years, with lease payments due in monthly or quarterly installments. Details of finance lease payables are given below:


	Minimum lease payments						Present value of minimum lease payment
	As at March 31,
	2018			2019			2018			2019
Not later than one year	₹	3,838		₹	1,555		₹	3,720		₹	1,506
Later than one year but not later than five years		1,784			506			1,722			496
Later than five years		—						—

Total minimum lease payments		5,622			2,061			5,442			2,002
Less: Amounts representing interest		(180	)		(59	)		—			—

Present value of minimum lease payment payables	₹	5,442		₹	2,002		₹	5,442		₹	2,002
Liabilities directly associated with assets held for sale		(1,469	)		—			(1,469	)		—

Obligation under finance lease	₹	3,973		₹	2,002		₹	3,973		₹	2,002

Non-current finance lease payables								1,722			496
Current finance lease payables								2,251			1,506