Property and equipment, net

12 Months Ended

Mar. 31, 2016

15. Property and equipment, net

	As of March 31,
	2015			2016
	(in millions of RMB)
Computer equipment and software		9,829			13,289
Buildings and leasehold improvements		2,828			6,155
Construction in progress		1,818			1,883
Furniture, office and transportation equipment		430			483

		14,905			21,810
Less: accumulated depreciation and amortization		(5,766	)		(8,181	)

Net book value		9,139			13,629

Depreciation and amortization expenses recognized for the years ended March 31, 2014, 2015 and 2016 were RMB1,295 million, RMB2,282 million and RMB3,699 million, respectively.