Revenue (Tables)

12 Months Ended

Mar. 31, 2018

Disclosure of detailed information about revenue [text block]

	Year ended
	March 31, 2018		March 31, 2017		March 31, 2016
Rendering of services
Service revenue*		13,703,004		13,284,271		12,393,645
Installation service revenue		5,406,165		3,749,051		1,704,937
		19,109,169		17,033,322		14,098,582
Sale of products		1,576,444		1,398,698		936,314
		20,685,613		18,432,020		1,50,34,896

* Including revenue arising from construction contracts (refer to note 23) and revenue from operating leases amount to ₹ 211,990 (March 31, 2018), ₹394,100 (March 31, 2017) and ₹391,500 (March 31, 2016) (refer to note 30)