Also to add the Indian market is so saturated any "good one" you get knows their worth and dip out at the first opportunity. Leaves giant companies left holding the bag on a model that has skeleton crews containing all the tacit knowledge with no means to do anything. "Oh well just bring in vendors to do xyz" ignoring the operational cost going forward. The current business model employed by fortune 500 companies was and is unsustainable. Great for their bottom line though.