This is Typical indian IT services Business Model , fool the government that they are crating new employment and get tax break for decades.
Low pay unlimited work - and constant presssure to hire fresher low cost worker and lay off old ones who ran out of steam as low pay unlimited work leads to health deteoration - corporate strategy get rid of them before they society notices and hire fresh blood.
Create new employment by laying offf old staff and show fresher hiring as new employment created. Get purchase order placed new SEZ addresses and keep getting tax break.