Property and equipment, net

12 Months Ended

Mar. 31, 2018

14. Property and equipment, net

	As of March 31,
	2017			2018
	(in millions of RMB)
Buildings and property improvements		10,529			45,909
Computer equipment and software		18,427			33,852
Construction in progress		2,627			5,110
Furniture, office and transportation equipment		884			2,057

		32,467			86,928
Less: accumulated depreciation and amortization		(12,261	)		(20,439	)

Net book value		20,206			66,489

Depreciation and amortization expenses recognized for the years ended March 31, 2016, 2017 and 2018 were RMB3,699 million, RMB5,177 million and RMB8,654 million, respectively.