Though this might look strange but it might be a relief for unlucky ones in Bench at the moment and create panic among associates who have got 2 rating last year. This appears to be a strategy of HR making way for associates with good performance rating not to be fired from TCS.
By firing the currently allocated associates with poor record, the company tries to give opportunities to associates with good track record and currently unallocated . In a way this ensures the employees are not fired on pure luck and their influence with top management.
But to most this has been a bolt out of clear sky, and set the tone for Performance evaluation negotiations.