"the specified period of time" can be upto 3 years and can be extended for 3 more years. It is significant enough to make a difference. I have a colleague on

"the specified period of time" can be upto 3 years and can be extended for 3 more years. It is significant enough to make a difference. I have a colleague on L1 visa in US. His visa is from Capgemini and so, he can't even change project due to Visa restrictions