Terming the USD 20 billion revenue as an "aspirational goal", Sikka said this would require a growth rate of 13-14 per cent year-on-year cumulatively, which is "achievable".
"You can organise your thoughts on the model that you wish you can achieve," Sikka said, post financial results, adding that USD 20 billion by 2020 in revenue, 30 per cent in operating margin and reaching USD 80,000 revenue per employee ratio are feasible, desirable and viable.
Infosys posted a 3.5 per cent growth in March quarter profit at Rs 3,097 crore and 4.2 per cent rise in revenue at Rs 13,411 crore in the January-March 2015 quarter.
For 2015-16, Infosys expects its revenue to grow 10-12 per cent, below industry body Nasscom's estimate of 12-14 per cent.
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According to Sikka, the present revenue generated from an employee stands at USD 52,300.
"To increase this (revenue from employee) so significantly over the course of the next six years is something that I believe necessary for next generation services of the company...," he said.
"We see that dramatic shift unfolding in front of our eyes and not only impacting us but the entire industry... Therefore, the strategy we have talked about of bringing automation, artificial intelligence and these things in a massive way to our existing services so that they bring value to clients is necessary and we are doing that. The direction we have laid out is working. It is right one," he added.