It amounted to a virtual slap in the face for Left parties, who thought that the UPA government would collapse, if they withdrew support. The ruthless and shameless comrades required this unexpected shock treatment.
They were nothing but virtual parasites on the UPA government, creating roadblocks at vital project of national importance.
This is a good lesson for them to change the mindset, not to be become stumbling block in the path of country's progress and prosperity.