Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

	Three Months Ended March 31,			Fiscal Year Ended December 31,
	2018			2017			2016			2015			2014			2013			2012			2011
Consolidated ratio of earnings to fixed charges		5.7 : 1			6.8 : 1			10.2 : 1			6.7 : 1			6.2 : 1			6.8 : 1			7.2 : 1			13.4 : 1
	Three Months Ended March 31,			Fiscal Year Ended December 31,
	2018			2017			2016			2015			2014			2013			2012			2011
				(dollars in millions)
Net income attributable to Genpact Limited shareholders		64.7			263.1			269.7			239.8			192.0			229.7			178.2			184.3
Add :
Net income (loss) attributable to noncontrolling interest		(0.8	)		(2.3	)		(2.1	)
Income tax expense		12.1			59.7			62.1			61.9			57.4			71.1			78.4			70.7
Less: Interest on FIN 48 liabilities		(0.3	)		0.2			0.2			(1.2	)		(0.0	)		0.1			(0.9	)		(0.5	)
Fixed Charges		16.1			54.9			35.8			53.2			47.7			52.0			41.2			20.6
Earnings		91.8			375.8			365.6			353.8			297.1			352.8			297.0			275.0
Fixed Charges
Interest expense		11.5			39.9			23.4			39.9			33.8			38.9			28.1			9.2
Estimate of interest as a component of rental expense		4.3			15.3			12.6			12.1			13.8			13.1			12.2			10.8
Interest on FIN 48 liabilities		0.3			(0.2	)		(0.2	)		1.2			0.0			(0.1	)		0.9			0.5
Fixed Charges		16.1			54.9			35.8			53.2			47.7			52.0			41.2			20.6
Rent Expense		16.9			59.5			50.8			50.3			57.2			55.4			49.9			44.6
FX expense included in rent expense		(0.3	)		(1.5	)		0.6			2.0			1.8			2.9			1.1			1.2
Net Rent Expense		17.2			61.0			50.2			48.3			55.4			52.6			48.8			43.4
Allocation ratio		0.25			0.25			0.25			0.25			0.25			0.25			0.25			0.25