Vantaggi
None to think off. My advise is to avoid at all cost, if you don't want to ruin your career and attitude.
Svantaggi
Management only knows how to deal with H1 visa holders from India because, they are slaves and at Tech Mahindra's mercy. Don't have a clue about dealing with experienced professionals. I am an Indian, who came to the US to study in the 70's and I could not tolerate them. I guess, one must have worked in India to understand the colonial mentality. World changed after second world and the collapse of the British empire. Britain changed, but Indian managers have not. Lowest price is not a long term winning strategy. My MBA, professor used to say being the low cost provider and cutting cost (the denominator), is a sure route bankruptcy.