the author simply means that we don't have right to enjoy as long as 300 millions in india dont have acess to food,water and shelter.
she is not saying that tata and other indian companies are causing india poor. but yea i agree that she has a communist bent.
she need to understand that corporate will invest anywhere they see profit(for their existense depends on profit and growth). it is for indian govt to make the investment in india feasible and profitable.
Actually corporate are doing it, see the telecommunciation and the auto industry, esp as tata is going to build a 1 lakh car.