Lets not forget the "Be nice" rule of the ranch. Personal attacks and calling each other fool will not serve any purpose.
Couple of things that comes to my mind. Syntel is not the only employer pocketing employee's tax refunds (assuming it's true). TCS did that Source
and who knows there might be other doing it and who are not yet caught.
Regionalism and politics again is not restricted to any particular company. It depends on the Individuals involved and you can find some in any company.