Provider resource quality
I wouldn't say that Infosys are any better or worse than any other provider utilising offshore personnel. In fact I've seen both excellent quality resources, along with graduates with absolutely no skills whatsoever being put into roles of responsibility
The normal practice is for the good resources to be brought in during bid stage, and then the quality and experience of the staff goes down over time, reaching all time lows at the end of the contract.
In my current gig, Infosys bucked the trend bringing in the worst resources possible from the get go - quite how many steak dinners were involved in the bidding stage is anyone's guess